What is CVE-2026-80097?
Improper authentication in Microsoft Authenticator allows an unauthorized attacker to elevate privileges locally.
The record classifies CVE-2026-80097 under weakness class CWE-287. Its CVSS v3 base vector states that the flaw requires local access to the host, needs no prior authentication, needs a user to take an action first, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 48 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 8.6 — HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C - EPSS (FIRST)
- 0.4% probability of exploitation in the next 30 days, higher than 36.4% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 5.8/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-09-08, last modified 2026-10-08
Is CVE-2026-80097 being exploited?
It currently carries a trending score of 41 in the Threadlinqs vulnerability feed.
Affected products and versions
- Microsoft: Authenticator for Android
How to fix CVE-2026-80097
No vendor patch reference has been recorded for CVE-2026-80097 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2026-80097
2 tracked threats in the Threadlinqs corpus reference CVE-2026-80097, either in the campaign’s CVE list or as an indicator on the campaign record.
- Microsoft Authenticator for Android Flaw (CVE-2026-80097, AuthMask) Lets Malicious Apps Steal Account Tokens With Zero Permissions — HIGH · 2026-10-26
- September 2026 Microsoft Patch Tuesday — Record 966+ Vulnerabilities with Two Actively Exploited Zero-Days (CVE-2026-81963, CVE-2026-85880) and Multiple Critical Wormable RCEs — CRITICAL · 2026-09-08
Sources
Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on .