Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot<\/title><br \/>\n<\/head><br \/>\n<body><\/p>\n<h1>Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot<\/h1>\n<p>In an alarming revelation, cybersecurity researchers have unveiled the first known zero-click Artificial Intelligence vulnerability, dubbed EchoLeak, in Microsoft 365 Copilot.<\/p>\n<p>This flaw enables attackers to exfiltrate sensitive data without user interaction, presenting a critical risk to privacy and data integrity.<\/p>\n<h2>The Flaw: EchoLeak<\/h2>\n<p>The EchoLeak security flaw resides in the underlying AI mechanisms of Microsoft 365 Copilot.<\/p>\n<p>This AI feature leverages machine learning algorithms to predict and suggest code snippets as developers are typing, thereby enabling more efficient code generation.<\/p>\n<p>Security researchers identified a vulnerability in the suggestion engine of Copilot, allowing it to be exploited to leak sensitive information inadvertently.<\/p>\n<p>This vulnerability is especially threatening because it requires no user interaction \u2014 a zero-click exploit.<\/p>\n<h2>If Exploited: Potential Consequences<\/h2>\n<p>If exploited, an attacker can siphon off sensitive data such as passwords, encryption keys, API keys, and proprietary code.<\/p>\n<p>Given that numerous individuals and businesses rely on Microsoft 365 Copilot for coding projects, this inadvertent data leak could potentially affect millions of users worldwide.<\/p>\n<h2>Relevance & Mitigation<\/h2>\n<p>Modern software applications and programming paradigms depend heavily on AI-based tools for efficiency, and thus, are lucrative targets for attackers.<\/p>\n<p>Identifying zero-click vulnerabilities in these systems is a significant step toward understanding potential security risks and building robust security mechanisms.<\/p>\n<p>With the discovery of this vulnerability, Microsoft has been notified, and the company is expected to patch this flaw promptly.<\/p>\n<p>In the meantime, Microsoft 365 Copilot users are advised to: <\/p>\n<ul>\n<li>Avoid using the tool on systems or with data of high sensitivity<\/li>\n<li>Ensure their system has the latest security updates<\/li>\n<li>Enable auditing and logging to track any suspicious activities<\/li>\n<\/ul>\n<h3>Concluding Remarks<\/h3>\n<p>The EchoLeak discovery underscores the need for continuous cybersecurity vigilance, particularly in AI-based tools.<\/p>\n<p>As organizations continue to rely heavily on AI for their operations, it’s crucial to prioritize security alongside functionality.<\/p>\n<h4>Follow-Up Reading<\/h4>\n<p>For further reading on related topics, please see the below resources:<\/p>\n<ul>\n<li><a href='https:\/\/www.source1.com'>Examining AI vulnerabilities: An overview<\/a><\/li>\n<li><a href='https:\/\/www.source2.com'>Understanding the rise of Zero Click exploits<\/a><\/li>\n<li><a href='https:\/\/www.source3.com'>Strengthening Microsoft 365 Security: Best Practices and Tips<\/a><\/li>\n<\/ul>\n<p><\/body><br \/>\n<\/html><br \/>\n“`<\/p>\n","protected":false},"excerpt":{"rendered":"<p>“` Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot Zero-click AI data leak<\/p>\n","protected":false},"author":1,"featured_media":3593,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pmpro_default_level":"","_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[2,5],"tags":[],"class_list":["post-3587","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cybersecurity","category-news","pmpro-has-access"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t<meta name=\"description\" content=\"``` Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot In an alarming revelation, cybersecurity researchers have unveiled the first known zero-click Artificial Intelligence vulnerability, dubbed EchoLeak, in Microsoft 365 Copilot.This flaw enables attackers to exfiltrate sensitive data without user interaction, presenting a critical\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"AegisLens\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_GB\" \/>\n\t\t<meta property=\"og:site_name\" content=\"AegisLens \u203a CYBERSECURITY\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot \u203a AegisLens\" \/>\n\t\t<meta property=\"og:description\" content=\"``` Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot In an alarming revelation, cybersecurity researchers have unveiled the first known zero-click Artificial Intelligence vulnerability, dubbed EchoLeak, in Microsoft 365 Copilot.This flaw enables attackers to exfiltrate sensitive data without user interaction, presenting a critical\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2025-06-12T07:41:11+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2025-06-12T07:41:11+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:site\" content=\"@AegisLens\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot \u203a AegisLens\" \/>\n\t\t<meta name=\"twitter:description\" content=\"``` Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot In an alarming revelation, cybersecurity researchers have unveiled the first known zero-click Artificial Intelligence vulnerability, dubbed EchoLeak, in Microsoft 365 Copilot.This flaw enables attackers to exfiltrate sensitive data without user interaction, presenting a critical\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/aegislens.com\/home\/wp-content\/uploads\/2024\/09\/cropped-cropped-cropped-logo-1.jpg\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BlogPosting\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#blogposting\",\"name\":\"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot \\u203a AegisLens\",\"headline\":\"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot\",\"author\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/author\\\/craig\\\/#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/#organization\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/aegislens.com\\\/home\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/vulnerability-4.png\",\"width\":1024,\"height\":1024,\"caption\":\"vuln\\u00e9rabilit\\u00e9\"},\"datePublished\":\"2025-06-12T08:41:11+01:00\",\"dateModified\":\"2025-06-12T08:41:11+01:00\",\"inLanguage\":\"en-GB\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#webpage\"},\"isPartOf\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#webpage\"},\"articleSection\":\"Cybersecurity, News\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/aegislens.com\\\/home\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/category\\\/cybersecurity\\\/#listItem\",\"name\":\"Cybersecurity\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/category\\\/cybersecurity\\\/#listItem\",\"position\":2,\"name\":\"Cybersecurity\",\"item\":\"https:\\\/\\\/aegislens.com\\\/home\\\/category\\\/cybersecurity\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#listItem\",\"name\":\"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#listItem\",\"position\":3,\"name\":\"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/category\\\/cybersecurity\\\/#listItem\",\"name\":\"Cybersecurity\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/#organization\",\"name\":\"AegisLens\",\"description\":\"CYBERSECURITY\",\"url\":\"https:\\\/\\\/aegislens.com\\\/home\\\/\",\"email\":\"aegislens@duck.com\",\"telephone\":\"+447859777570\",\"foundingDate\":\"2020-05-01\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/aegislens.com\\\/home\\\/wp-content\\\/uploads\\\/2024\\\/09\\\/cropped-cropped-logo.jpg\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#organizationLogo\",\"width\":512,\"height\":512},\"image\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#organizationLogo\"},\"sameAs\":[\"https:\\\/\\\/www.linkedin.com\\\/in\\\/craigcyrus\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/author\\\/craig\\\/#author\",\"url\":\"https:\\\/\\\/aegislens.com\\\/home\\\/author\\\/craig\\\/\",\"name\":\"AegisLens\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#webpage\",\"url\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/\",\"name\":\"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot \\u203a AegisLens\",\"description\":\"``` Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot In an alarming revelation, cybersecurity researchers have unveiled the first known zero-click Artificial Intelligence vulnerability, dubbed EchoLeak, in Microsoft 365 Copilot.This flaw enables attackers to exfiltrate sensitive data without user interaction, presenting a critical\",\"inLanguage\":\"en-GB\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#breadcrumblist\"},\"author\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/author\\\/craig\\\/#author\"},\"creator\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/author\\\/craig\\\/#author\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/aegislens.com\\\/home\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/vulnerability-4.png\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#mainImage\",\"width\":1024,\"height\":1024,\"caption\":\"vuln\\u00e9rabilit\\u00e9\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#mainImage\"},\"datePublished\":\"2025-06-12T08:41:11+01:00\",\"dateModified\":\"2025-06-12T08:41:11+01:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/#website\",\"url\":\"https:\\\/\\\/aegislens.com\\\/home\\\/\",\"name\":\"AegisLens\",\"description\":\"CYBERSECURITY\",\"inLanguage\":\"en-GB\",\"publisher\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t\n\n","aioseo_head_json":{"title":"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot \u203a AegisLens","description":"``` Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot In an alarming revelation, cybersecurity researchers have unveiled the first known zero-click Artificial Intelligence vulnerability, dubbed EchoLeak, in Microsoft 365 Copilot.This flaw enables attackers to exfiltrate sensitive data without user interaction, presenting a critical","canonical_url":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BlogPosting","@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#blogposting","name":"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot \u203a AegisLens","headline":"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot","author":{"@id":"https:\/\/aegislens.com\/home\/author\/craig\/#author"},"publisher":{"@id":"https:\/\/aegislens.com\/home\/#organization"},"image":{"@type":"ImageObject","url":"https:\/\/aegislens.com\/home\/wp-content\/uploads\/2025\/06\/vulnerability-4.png","width":1024,"height":1024,"caption":"vuln\u00e9rabilit\u00e9"},"datePublished":"2025-06-12T08:41:11+01:00","dateModified":"2025-06-12T08:41:11+01:00","inLanguage":"en-GB","mainEntityOfPage":{"@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#webpage"},"isPartOf":{"@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#webpage"},"articleSection":"Cybersecurity, News"},{"@type":"BreadcrumbList","@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/aegislens.com\/home#listItem","position":1,"name":"Home","item":"https:\/\/aegislens.com\/home","nextItem":{"@type":"ListItem","@id":"https:\/\/aegislens.com\/home\/category\/cybersecurity\/#listItem","name":"Cybersecurity"}},{"@type":"ListItem","@id":"https:\/\/aegislens.com\/home\/category\/cybersecurity\/#listItem","position":2,"name":"Cybersecurity","item":"https:\/\/aegislens.com\/home\/category\/cybersecurity\/","nextItem":{"@type":"ListItem","@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#listItem","name":"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot"},"previousItem":{"@type":"ListItem","@id":"https:\/\/aegislens.com\/home#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#listItem","position":3,"name":"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot","previousItem":{"@type":"ListItem","@id":"https:\/\/aegislens.com\/home\/category\/cybersecurity\/#listItem","name":"Cybersecurity"}}]},{"@type":"Organization","@id":"https:\/\/aegislens.com\/home\/#organization","name":"AegisLens","description":"CYBERSECURITY","url":"https:\/\/aegislens.com\/home\/","email":"aegislens@duck.com","telephone":"+447859777570","foundingDate":"2020-05-01","logo":{"@type":"ImageObject","url":"https:\/\/aegislens.com\/home\/wp-content\/uploads\/2024\/09\/cropped-cropped-logo.jpg","@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#organizationLogo","width":512,"height":512},"image":{"@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#organizationLogo"},"sameAs":["https:\/\/www.linkedin.com\/in\/craigcyrus\/"]},{"@type":"Person","@id":"https:\/\/aegislens.com\/home\/author\/craig\/#author","url":"https:\/\/aegislens.com\/home\/author\/craig\/","name":"AegisLens"},{"@type":"WebPage","@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#webpage","url":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/","name":"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot \u203a AegisLens","description":"``` Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot In an alarming revelation, cybersecurity researchers have unveiled the first known zero-click Artificial Intelligence vulnerability, dubbed EchoLeak, in Microsoft 365 Copilot.This flaw enables attackers to exfiltrate sensitive data without user interaction, presenting a critical","inLanguage":"en-GB","isPartOf":{"@id":"https:\/\/aegislens.com\/home\/#website"},"breadcrumb":{"@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#breadcrumblist"},"author":{"@id":"https:\/\/aegislens.com\/home\/author\/craig\/#author"},"creator":{"@id":"https:\/\/aegislens.com\/home\/author\/craig\/#author"},"image":{"@type":"ImageObject","url":"https:\/\/aegislens.com\/home\/wp-content\/uploads\/2025\/06\/vulnerability-4.png","@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#mainImage","width":1024,"height":1024,"caption":"vuln\u00e9rabilit\u00e9"},"primaryImageOfPage":{"@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#mainImage"},"datePublished":"2025-06-12T08:41:11+01:00","dateModified":"2025-06-12T08:41:11+01:00"},{"@type":"WebSite","@id":"https:\/\/aegislens.com\/home\/#website","url":"https:\/\/aegislens.com\/home\/","name":"AegisLens","description":"CYBERSECURITY","inLanguage":"en-GB","publisher":{"@id":"https:\/\/aegislens.com\/home\/#organization"}}]},"og:locale":"en_GB","og:site_name":"AegisLens \u203a CYBERSECURITY","og:type":"article","og:title":"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot \u203a AegisLens","og:description":"``` Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot In an alarming revelation, cybersecurity researchers have unveiled the first known zero-click Artificial Intelligence vulnerability, dubbed EchoLeak, in Microsoft 365 Copilot.This flaw enables attackers to exfiltrate sensitive data without user interaction, presenting a critical","og:url":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/","article:published_time":"2025-06-12T07:41:11+00:00","article:modified_time":"2025-06-12T07:41:11+00:00","twitter:card":"summary_large_image","twitter:site":"@AegisLens","twitter:title":"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot \u203a AegisLens","twitter:description":"``` Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot In an alarming revelation, cybersecurity researchers have unveiled the first known zero-click Artificial Intelligence vulnerability, dubbed EchoLeak, in Microsoft 365 Copilot.This flaw enables attackers to exfiltrate sensitive data without user interaction, presenting a critical","twitter:image":"https:\/\/aegislens.com\/home\/wp-content\/uploads\/2024\/09\/cropped-cropped-cropped-logo-1.jpg"},"aioseo_meta_data":{"post_id":"3587","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":null,"created":"2025-06-12 08:10:06","updated":"2025-06-12 08:10:06","seo_analyzer_scan_date":null,"focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/aegislens.com\/home\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">»<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/aegislens.com\/home\/category\/cybersecurity\/\" title=\"Cybersecurity\">Cybersecurity<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">»<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tUnveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/aegislens.com\/home"},{"label":"Cybersecurity","link":"https:\/\/aegislens.com\/home\/category\/cybersecurity\/"},{"label":"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot","link":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/"}],"_links":{"self":[{"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/posts\/3587","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/comments?post=3587"}],"version-history":[{"count":1,"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/posts\/3587\/revisions"}],"predecessor-version":[{"id":3594,"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/posts\/3587\/revisions\/3594"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/media\/3593"}],"wp:attachment":[{"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/media?parent=3587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/categories?post=3587"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/tags?post=3587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":3587,"date":"2025-06-12T08:41:11","date_gmt":"2025-06-12T07:41:11","guid":{"rendered":"https:\/\/aegislens.com\/home\/?p=3587"},"modified":"2025-06-12T08:41:11","modified_gmt":"2025-06-12T07:41:11","slug":"unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot","status":"publish","type":"post","link":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/","title":{"rendered":"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot"},"content":{"rendered":"

“`
\n
\n
\n
\n\tZero-click AI data leak flaw uncovered in Microsoft 365 Copilot<\/title><br \/>\n<\/head><br \/>\n<body><\/p>\n<h1>Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot<\/h1>\n<p>In an alarming revelation, cybersecurity researchers have unveiled the first known zero-click Artificial Intelligence vulnerability, dubbed EchoLeak, in Microsoft 365 Copilot.<\/p>\n<p>This flaw enables attackers to exfiltrate sensitive data without user interaction, presenting a critical risk to privacy and data integrity.<\/p>\n<h2>The Flaw: EchoLeak<\/h2>\n<p>The EchoLeak security flaw resides in the underlying AI mechanisms of Microsoft 365 Copilot.<\/p>\n<p>This AI feature leverages machine learning algorithms to predict and suggest code snippets as developers are typing, thereby enabling more efficient code generation.<\/p>\n<p>Security researchers identified a vulnerability in the suggestion engine of Copilot, allowing it to be exploited to leak sensitive information inadvertently.<\/p>\n<p>This vulnerability is especially threatening because it requires no user interaction \u2014 a zero-click exploit.<\/p>\n<h2>If Exploited: Potential Consequences<\/h2>\n<p>If exploited, an attacker can siphon off sensitive data such as passwords, encryption keys, API keys, and proprietary code.<\/p>\n<p>Given that numerous individuals and businesses rely on Microsoft 365 Copilot for coding projects, this inadvertent data leak could potentially affect millions of users worldwide.<\/p>\n<h2>Relevance & Mitigation<\/h2>\n<p>Modern software applications and programming paradigms depend heavily on AI-based tools for efficiency, and thus, are lucrative targets for attackers.<\/p>\n<p>Identifying zero-click vulnerabilities in these systems is a significant step toward understanding potential security risks and building robust security mechanisms.<\/p>\n<p>With the discovery of this vulnerability, Microsoft has been notified, and the company is expected to patch this flaw promptly.<\/p>\n<p>In the meantime, Microsoft 365 Copilot users are advised to: <\/p>\n<ul>\n<li>Avoid using the tool on systems or with data of high sensitivity<\/li>\n<li>Ensure their system has the latest security updates<\/li>\n<li>Enable auditing and logging to track any suspicious activities<\/li>\n<\/ul>\n<h3>Concluding Remarks<\/h3>\n<p>The EchoLeak discovery underscores the need for continuous cybersecurity vigilance, particularly in AI-based tools.<\/p>\n<p>As organizations continue to rely heavily on AI for their operations, it’s crucial to prioritize security alongside functionality.<\/p>\n<h4>Follow-Up Reading<\/h4>\n<p>For further reading on related topics, please see the below resources:<\/p>\n<ul>\n<li><a href='https:\/\/www.source1.com'>Examining AI vulnerabilities: An overview<\/a><\/li>\n<li><a href='https:\/\/www.source2.com'>Understanding the rise of Zero Click exploits<\/a><\/li>\n<li><a href='https:\/\/www.source3.com'>Strengthening Microsoft 365 Security: Best Practices and Tips<\/a><\/li>\n<\/ul>\n<p><\/body><br \/>\n<\/html><br \/>\n“`<\/p>\n","protected":false},"excerpt":{"rendered":"<p>“` Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot Zero-click AI data leak<\/p>\n","protected":false},"author":1,"featured_media":3593,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pmpro_default_level":"","_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[2,5],"tags":[],"class_list":["post-3587","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cybersecurity","category-news","pmpro-has-access"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t<meta name=\"description\" content=\"``` Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot In an alarming revelation, cybersecurity researchers have unveiled the first known zero-click Artificial Intelligence vulnerability, dubbed EchoLeak, in Microsoft 365 Copilot.This flaw enables attackers to exfiltrate sensitive data without user interaction, presenting a critical\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"AegisLens\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_GB\" \/>\n\t\t<meta property=\"og:site_name\" content=\"AegisLens \u203a CYBERSECURITY\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot \u203a AegisLens\" \/>\n\t\t<meta property=\"og:description\" content=\"``` Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot In an alarming revelation, cybersecurity researchers have unveiled the first known zero-click Artificial Intelligence vulnerability, dubbed EchoLeak, in Microsoft 365 Copilot.This flaw enables attackers to exfiltrate sensitive data without user interaction, presenting a critical\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2025-06-12T07:41:11+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2025-06-12T07:41:11+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:site\" content=\"@AegisLens\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot \u203a AegisLens\" \/>\n\t\t<meta name=\"twitter:description\" content=\"``` Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot In an alarming revelation, cybersecurity researchers have unveiled the first known zero-click Artificial Intelligence vulnerability, dubbed EchoLeak, in Microsoft 365 Copilot.This flaw enables attackers to exfiltrate sensitive data without user interaction, presenting a critical\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/aegislens.com\/home\/wp-content\/uploads\/2024\/09\/cropped-cropped-cropped-logo-1.jpg\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BlogPosting\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#blogposting\",\"name\":\"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot \\u203a AegisLens\",\"headline\":\"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot\",\"author\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/author\\\/craig\\\/#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/#organization\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/aegislens.com\\\/home\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/vulnerability-4.png\",\"width\":1024,\"height\":1024,\"caption\":\"vuln\\u00e9rabilit\\u00e9\"},\"datePublished\":\"2025-06-12T08:41:11+01:00\",\"dateModified\":\"2025-06-12T08:41:11+01:00\",\"inLanguage\":\"en-GB\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#webpage\"},\"isPartOf\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#webpage\"},\"articleSection\":\"Cybersecurity, News\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/aegislens.com\\\/home\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/category\\\/cybersecurity\\\/#listItem\",\"name\":\"Cybersecurity\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/category\\\/cybersecurity\\\/#listItem\",\"position\":2,\"name\":\"Cybersecurity\",\"item\":\"https:\\\/\\\/aegislens.com\\\/home\\\/category\\\/cybersecurity\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#listItem\",\"name\":\"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#listItem\",\"position\":3,\"name\":\"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/category\\\/cybersecurity\\\/#listItem\",\"name\":\"Cybersecurity\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/#organization\",\"name\":\"AegisLens\",\"description\":\"CYBERSECURITY\",\"url\":\"https:\\\/\\\/aegislens.com\\\/home\\\/\",\"email\":\"aegislens@duck.com\",\"telephone\":\"+447859777570\",\"foundingDate\":\"2020-05-01\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/aegislens.com\\\/home\\\/wp-content\\\/uploads\\\/2024\\\/09\\\/cropped-cropped-logo.jpg\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#organizationLogo\",\"width\":512,\"height\":512},\"image\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#organizationLogo\"},\"sameAs\":[\"https:\\\/\\\/www.linkedin.com\\\/in\\\/craigcyrus\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/author\\\/craig\\\/#author\",\"url\":\"https:\\\/\\\/aegislens.com\\\/home\\\/author\\\/craig\\\/\",\"name\":\"AegisLens\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#webpage\",\"url\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/\",\"name\":\"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot \\u203a AegisLens\",\"description\":\"``` Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot In an alarming revelation, cybersecurity researchers have unveiled the first known zero-click Artificial Intelligence vulnerability, dubbed EchoLeak, in Microsoft 365 Copilot.This flaw enables attackers to exfiltrate sensitive data without user interaction, presenting a critical\",\"inLanguage\":\"en-GB\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#breadcrumblist\"},\"author\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/author\\\/craig\\\/#author\"},\"creator\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/author\\\/craig\\\/#author\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/aegislens.com\\\/home\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/vulnerability-4.png\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#mainImage\",\"width\":1024,\"height\":1024,\"caption\":\"vuln\\u00e9rabilit\\u00e9\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\\\/#mainImage\"},\"datePublished\":\"2025-06-12T08:41:11+01:00\",\"dateModified\":\"2025-06-12T08:41:11+01:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/#website\",\"url\":\"https:\\\/\\\/aegislens.com\\\/home\\\/\",\"name\":\"AegisLens\",\"description\":\"CYBERSECURITY\",\"inLanguage\":\"en-GB\",\"publisher\":{\"@id\":\"https:\\\/\\\/aegislens.com\\\/home\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t\n\n","aioseo_head_json":{"title":"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot \u203a AegisLens","description":"``` Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot In an alarming revelation, cybersecurity researchers have unveiled the first known zero-click Artificial Intelligence vulnerability, dubbed EchoLeak, in Microsoft 365 Copilot.This flaw enables attackers to exfiltrate sensitive data without user interaction, presenting a critical","canonical_url":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BlogPosting","@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#blogposting","name":"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot \u203a AegisLens","headline":"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot","author":{"@id":"https:\/\/aegislens.com\/home\/author\/craig\/#author"},"publisher":{"@id":"https:\/\/aegislens.com\/home\/#organization"},"image":{"@type":"ImageObject","url":"https:\/\/aegislens.com\/home\/wp-content\/uploads\/2025\/06\/vulnerability-4.png","width":1024,"height":1024,"caption":"vuln\u00e9rabilit\u00e9"},"datePublished":"2025-06-12T08:41:11+01:00","dateModified":"2025-06-12T08:41:11+01:00","inLanguage":"en-GB","mainEntityOfPage":{"@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#webpage"},"isPartOf":{"@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#webpage"},"articleSection":"Cybersecurity, News"},{"@type":"BreadcrumbList","@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/aegislens.com\/home#listItem","position":1,"name":"Home","item":"https:\/\/aegislens.com\/home","nextItem":{"@type":"ListItem","@id":"https:\/\/aegislens.com\/home\/category\/cybersecurity\/#listItem","name":"Cybersecurity"}},{"@type":"ListItem","@id":"https:\/\/aegislens.com\/home\/category\/cybersecurity\/#listItem","position":2,"name":"Cybersecurity","item":"https:\/\/aegislens.com\/home\/category\/cybersecurity\/","nextItem":{"@type":"ListItem","@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#listItem","name":"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot"},"previousItem":{"@type":"ListItem","@id":"https:\/\/aegislens.com\/home#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#listItem","position":3,"name":"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot","previousItem":{"@type":"ListItem","@id":"https:\/\/aegislens.com\/home\/category\/cybersecurity\/#listItem","name":"Cybersecurity"}}]},{"@type":"Organization","@id":"https:\/\/aegislens.com\/home\/#organization","name":"AegisLens","description":"CYBERSECURITY","url":"https:\/\/aegislens.com\/home\/","email":"aegislens@duck.com","telephone":"+447859777570","foundingDate":"2020-05-01","logo":{"@type":"ImageObject","url":"https:\/\/aegislens.com\/home\/wp-content\/uploads\/2024\/09\/cropped-cropped-logo.jpg","@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#organizationLogo","width":512,"height":512},"image":{"@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#organizationLogo"},"sameAs":["https:\/\/www.linkedin.com\/in\/craigcyrus\/"]},{"@type":"Person","@id":"https:\/\/aegislens.com\/home\/author\/craig\/#author","url":"https:\/\/aegislens.com\/home\/author\/craig\/","name":"AegisLens"},{"@type":"WebPage","@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#webpage","url":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/","name":"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot \u203a AegisLens","description":"``` Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot In an alarming revelation, cybersecurity researchers have unveiled the first known zero-click Artificial Intelligence vulnerability, dubbed EchoLeak, in Microsoft 365 Copilot.This flaw enables attackers to exfiltrate sensitive data without user interaction, presenting a critical","inLanguage":"en-GB","isPartOf":{"@id":"https:\/\/aegislens.com\/home\/#website"},"breadcrumb":{"@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#breadcrumblist"},"author":{"@id":"https:\/\/aegislens.com\/home\/author\/craig\/#author"},"creator":{"@id":"https:\/\/aegislens.com\/home\/author\/craig\/#author"},"image":{"@type":"ImageObject","url":"https:\/\/aegislens.com\/home\/wp-content\/uploads\/2025\/06\/vulnerability-4.png","@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#mainImage","width":1024,"height":1024,"caption":"vuln\u00e9rabilit\u00e9"},"primaryImageOfPage":{"@id":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/#mainImage"},"datePublished":"2025-06-12T08:41:11+01:00","dateModified":"2025-06-12T08:41:11+01:00"},{"@type":"WebSite","@id":"https:\/\/aegislens.com\/home\/#website","url":"https:\/\/aegislens.com\/home\/","name":"AegisLens","description":"CYBERSECURITY","inLanguage":"en-GB","publisher":{"@id":"https:\/\/aegislens.com\/home\/#organization"}}]},"og:locale":"en_GB","og:site_name":"AegisLens \u203a CYBERSECURITY","og:type":"article","og:title":"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot \u203a AegisLens","og:description":"``` Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot In an alarming revelation, cybersecurity researchers have unveiled the first known zero-click Artificial Intelligence vulnerability, dubbed EchoLeak, in Microsoft 365 Copilot.This flaw enables attackers to exfiltrate sensitive data without user interaction, presenting a critical","og:url":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/","article:published_time":"2025-06-12T07:41:11+00:00","article:modified_time":"2025-06-12T07:41:11+00:00","twitter:card":"summary_large_image","twitter:site":"@AegisLens","twitter:title":"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot \u203a AegisLens","twitter:description":"``` Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot In an alarming revelation, cybersecurity researchers have unveiled the first known zero-click Artificial Intelligence vulnerability, dubbed EchoLeak, in Microsoft 365 Copilot.This flaw enables attackers to exfiltrate sensitive data without user interaction, presenting a critical","twitter:image":"https:\/\/aegislens.com\/home\/wp-content\/uploads\/2024\/09\/cropped-cropped-cropped-logo-1.jpg"},"aioseo_meta_data":{"post_id":"3587","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":null,"created":"2025-06-12 08:10:06","updated":"2025-06-12 08:10:06","seo_analyzer_scan_date":null,"focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/aegislens.com\/home\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">»<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/aegislens.com\/home\/category\/cybersecurity\/\" title=\"Cybersecurity\">Cybersecurity<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">»<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tUnveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/aegislens.com\/home"},{"label":"Cybersecurity","link":"https:\/\/aegislens.com\/home\/category\/cybersecurity\/"},{"label":"Unveiling the Latest Zero-Click AI Data Leak Vulnerability in Microsoft 365 Copilot","link":"https:\/\/aegislens.com\/home\/unveiling-the-latest-zero-click-ai-data-leak-vulnerability-in-microsoft-365-copilot\/"}],"_links":{"self":[{"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/posts\/3587","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/comments?post=3587"}],"version-history":[{"count":1,"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/posts\/3587\/revisions"}],"predecessor-version":[{"id":3594,"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/posts\/3587\/revisions\/3594"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/media\/3593"}],"wp:attachment":[{"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/media?parent=3587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/categories?post=3587"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aegislens.com\/home\/wp-json\/wp\/v2\/tags?post=3587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}