CVE-2026-80097: CWE-287: Improper Authentication in Microsoft Microsoft Authenticator for Android
Description
Improper authentication in Microsoft Authenticator allows an unauthorized attacker to elevate privileges locally.
CVSS v3.1
Score 8.6high
Affected software
Microsoft
Microsoft Authenticator for Android
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-80097 is an improper authentication vulnerability (CWE-287) in Microsoft Authenticator for Android. It enables a local attacker without privileges to elevate their privileges due to insufficient authentication controls. The CVSS 3.1 base score is 8.6, reflecting high impact on confidentiality, integrity, and availability. The vulnerability affects versions >=6.0.0 and <6.2606.4246. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation allows an unauthorized local attacker to elevate privileges, potentially gaining full control over the affected device's authentication processes. This can lead to complete compromise of user credentials and sensitive data managed by the authenticator app, impacting confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the update to Microsoft Authenticator for Android to versions 6.2606.4246 or later as soon as possible to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-25T18:37:59.830Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80097","vendor":"Microsoft"}]
Threat ID: 6aa0456aacd9273b49facd19
Added to database: 09/08/2026, 17:27:06 UTC
Last enriched: 10/14/2026, 22:05:41 UTC
Last updated: 10/21/2026, 13:40:31 UTC
Views: 34
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