CVE-2026-80097: Microsoft Authenticator for Android (High, CVSS 8.6)
CVE-2026-80097HighPublic exploitMicrosoft Authenticator for Android
- CVSS
- 8.6 High (v3.1)
- EPSS
- 0.5% chance of exploitation in the next 30 days (higher than 44.9% of CVEs)
- Exploited in the wild
- Not on CISA’s KEV list
- Public exploit
- Yes, reported in 1 GitHub repository
- Weakness
- CWE-287
- Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H- Published
- Sep 8, 2026
What it is
Improper authentication in Microsoft Authenticator allows an unauthorized attacker to elevate privileges locally.
Description from the National Vulnerability Database.
What to do
Check whether you run Microsoft Authenticator for Android, then apply the vendor’s fix or mitigation from the advisories below. Because this flaw is exploited or has public exploit code, treat it as urgent and check for signs of compromise, not just the patch level.
Advisories and fixes
ThreatRoundup coverage
HighCVE-2026-80097
Any Android App Could Ask Microsoft Authenticator for Your Work Tokens
Sources: NVD, FIRST EPSS, CISA KEV, and public exploit databases (availability only). ThreatRoundup reports whether public exploit code exists but never links to it: fake proof-of-concepts that infect security researchers are common. This page updates automatically.