Local privilege escalation
Published Sep 8, 2026 · Updated Sep 9, 2026
Improper authentication in Microsoft Authenticator for Android before 16.3.0 allows local users to elevate privileges. Microsoft has not published the affected authentication flow or the incorrect operation it performs on attacker-controlled input. Exploitation requires local access and user interaction; successful elevation compromises protected data and app operations.
Summary
What happened
Improper authentication in Microsoft Authenticator for Android before 16.3.0 allows local users to elevate privileges. Microsoft has not published the affected authentication flow or the incorrect operation it performs on attacker-controlled input. Exploitation requires local access and user interaction; successful elevation compromises protected data and app operations.
The record
- CVE
- CVE-2026-80097
- Published
- Sep 8, 2026
- Updated
- Sep 9, 2026
- Vendor
- Microsoft
- Product
- Microsoft Authenticator
- Classifications
- CWE-287, T1404
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 8, 2026CVE publishedPublication date reported by the CVE source.
- Sep 9, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=6.0.0 <16.3.0
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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