CVE-2026-92369
Last modified
CVE-2026-92369 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. TeamViewer Full Client and Host prior to version 15.82 on Windows contain a TOCTOU race condition in the installer rollback mechanism. A local low-privileged attacker can replace rollback backup files stored in a user-writable temporary directory before they are restored by an elevated installer, resulting in privilege escalation to NT AUHORITY/SYSTEM.
Description
TeamViewer Full Client and Host prior to version 15.82 on Windows contain a TOCTOU race condition in the installer rollback mechanism. A local low-privileged attacker can replace rollback backup files stored in a user-writable temporary directory before they are restored by an elevated installer, resulting in privilege escalation to NT AUHORITY/SYSTEM. Exploitation requires successful timing of the race condition and a rollback during installation or update.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| TeamViewer | Full Client | >= 15.0, < 15.82; >= 15.64.0 (Legacy Windows 7 & 8), < 15.64.8 (Legacy Windows 7 & 8); >= 14.7.0, < 14.7.48855; >= 13.2.0, < 13.2.36230 |
| TeamViewer | Host | >= 15.0, < 15.82; >= 15.64.0 (Legacy Windows 7 & 8), < 15.64.8 (Legacy Windows 7 & 8); >= 14.7.0, < 14.7.48855; >= 13.2.0, < 13.2.36230 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
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- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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