CVE-2026-80097: CWE-287: Improper Authentication in Microsoft Microsoft Authenticator for Android
Improper authentication in Microsoft Authenticator allows an unauthorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-287 (Improper Authentication), affects Microsoft Authenticator for Android version 6.0.0. It allows an attacker with local access to bypass authentication controls and escalate privileges. The CVSS 3.1 base score is 8.6, reflecting high impact on confidentiality, integrity, and availability. The vulnerability requires user interaction and local access but has low attack complexity and no privileges required initially. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation can lead to complete compromise of the affected device's authentication mechanisms, allowing an attacker to gain elevated privileges locally. This impacts confidentiality, integrity, and availability of the device and its data.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the update to Microsoft Authenticator for Android to remediate this vulnerability. Refer to the Microsoft security advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80097 for detailed patching instructions.
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
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-287 (Improper Authentication), affects Microsoft Authenticator for Android version 6.0.0. It allows an attacker with local access to bypass authentication controls and escalate privileges. The CVSS 3.1 base score is 8.6, reflecting high impact on confidentiality, integrity, and availability. The vulnerability requires user interaction and local access but has low attack complexity and no privileges required initially. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation can lead to complete compromise of the affected device's authentication mechanisms, allowing an attacker to gain elevated privileges locally. This impacts confidentiality, integrity, and availability of the device and its data.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the update to Microsoft Authenticator for Android to remediate this vulnerability. Refer to the Microsoft security advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80097 for detailed patching instructions.
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: 09/08/2026, 18:37:40 UTC
Last updated: 09/08/2026, 20:19:58 UTC
Views: 3
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