{"id":246026,"date":"2026-10-27T13:07:20","date_gmt":"2026-10-27T18:07:20","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/10\/microsoft-authenticator-flaw-let-permissionless-android-apps-steal-work-account-tokens"},"modified":"2026-10-27T13:07:20","modified_gmt":"2026-10-27T18:07:20","slug":"microsoft-authenticator-flaw-let-permissionless-android-apps-steal-work-account-tokens","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/10\/microsoft-authenticator-flaw-let-permissionless-android-apps-steal-work-account-tokens","title":{"rendered":"Microsoft Authenticator Flaw Let Permissionless Android Apps Steal Work Account Tokens"},"content":{"rendered":"\n<p><iframe title=\"Microsoft Authenticator Flaw Let Permissionless Android Apps Steal Work Account Tokens\" style=\"display: block; margin: 0 auto; width: 100%; aspect-ratio: 4\/3; object-fit: contain;\" src=\"https:\/\/www.youtube.com\/embed\/CK0ORAnM5mQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope;\n   picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>Microsoft has fixed a flaw in its Authenticator app for Android that let a malicious app with no permissions pose as a trusted Microsoft app, such as Teams, and collect sign-in tokens for a victim\u2019s work account.<\/p>\n<p>Microsoft tracks the flaw as <a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2026-80097\" target=\"_blank\">CVE-2026\u201380097<\/a> and fixed it in Authenticator for Android version 6.2606.4246, so anyone using the app should update.<\/p>\n<p>In the researchers\u2019 tests, the tokens gave full access to the account\u2019s email, files, and calendar. Microsoft says exploitation also needs the victim to complete a sign-in step in Authenticator, and that the flaw has not been used in attacks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft has fixed a flaw in its Authenticator app for Android that let a malicious app with no permissions pose as a trusted Microsoft app, such as Teams, and collect sign-in tokens for a victim\u2019s work account. Microsoft tracks the flaw as CVE-2026\u201380097 and fixed it in Authenticator for Android version 6.2606.4246, so anyone using [\u2026]<\/p>\n","protected":false},"author":662,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-246026","post","type-post","status-publish","format-standard","hentry","category-robotics-ai"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/246026","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/662"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=246026"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/246026\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=246026"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=246026"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=246026"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}