Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What privileges could be gained by an attacker who successfully exploited the vulnerability?
An attacker who successfully exploited this vulnerability could potentially gain the ability to authenticate against a remote host using the current user’s credentials.
How could an attacker exploit this vulnerability?
An attacker could exploit this vulnerability by installing and running a malicious application on an affected Android device and convincing the user to complete an authentication flow in Microsoft Authenticator. Successful exploitation could allow the attacker to obtain authentication tokens and access resources as the affected user.
Security updates
6.2606.4246 — https://play.google.com/store/apps/details?id=com.azure.authenticator&hl=en-US&pli=1
Vulnerabilities 1
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High 8.6CVE-2026-80097 Public exploit
Microsoft Authenticator Elevation of Privilege Vulnerability
Improper authentication in Microsoft Authenticator allows an unauthorized attacker to elevate privileges locally.
Revision history
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#2
Corrected fix build number. Informational change only.
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#1
Information published.
References
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CVE-2026-80097 Microsoft Authenticator Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80097
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss