What is CVE-2026-80097?

CVE-2026-80097 is a high-severity vulnerability in Microsoft Authenticator For Android, classified under Improper Authentication. CVSS score: 8.6/10. Published 2026-09-08.

How severe is CVE-2026-80097?

High severity. CVSS v3 base score is 8.6 out of 10.

Auth bypass in Microsoft Authenticator For Android

CVE-2026-80097

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

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Microsoft Authenticator For Android

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

secure@microsoft.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-80097?: CVE-2026-80097 is a high-severity vulnerability in Microsoft Authenticator For Android, classified under Improper Authentication. CVSS score: 8.6/10. Published 2026-09-08.
How severe is CVE-2026-80097?: High severity. CVSS v3 base score is 8.6 out of 10.