## Microsoft Authenticator Flaw Let Permissionless Android Apps Steal Work Account Tokens

- 種別: news
- CVE: CVE-2026-80097
- 公開日時: 2026-10-27T12:09:50.000Z
- 情報源: The Hacker News (https://thehackernews.com/2026/10/microsoft-authenticator-flaw-let.html)
- パーマリンク: https://vulnpulse.app/items/thehackernews-b7d7e51c85e3

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's work account. Microsoft tracks the flaw as CVE-2026-80097 and fixed it in Authenticator for Android version 6.2606.4246, so anyone using the app should update. In the researchers' tests,