CVE-2026-92369
TeamViewer Full Client and Host prior to version 15.82 on Windows contain a TOCTOU race condition…
- Risk score
- 44/100
- CVSS
- 7.3 v3.1
- Exploit chance (30 days)
- 0.1%
- Published
- 29 Sep 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 privileg…
- Affected
- See advisory
- Fix
- Upgrade the product to 15.82 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.3 high
References
Original 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.
Last activity 29 Sep 2026. Patch Forecast updates every hour.