What’s Vulnerable › Vulnerabilities

CVE-2026-80097: Microsoft Authenticator Elevation of Privilege Vulnerability

• Severity: high (CVSS 8.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-08 · updated 2026-10-31
• Weakness: CWE-287

Description

Improper authentication in Microsoft Authenticator allows an unauthorized attacker to elevate privileges locally.

Affected products

• Microsoft Authenticator for Android: before 6.2606.4246 — fixed in 6.2606.4246
• Microsoft Authenticator for Android: from 6.0.0 before 6.2606.4246 — fixed in 6.2606.4246

How to fix

Upgrade to a fixed version: Microsoft Authenticator for Android 6.2606.4246; Microsoft Authenticator for Android 6.2606.4246. Check the vendor advisory for mitigations.

In the news

• Microsoft Authenticator Flaw Let Permissionless Android Apps Steal Work Account Tokens
• Microsoft Authenticator vulnerability let rogue Android apps steal work account access

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80097

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