CVE-2026-19743
Improper path validation in the local IPC service of TeamViewer Full Client and Host on Windows…
- Risk score
- 47/100
- CVSS
- 7.8 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
- Improper path validation in the local IPC service of TeamViewer Full Client and Host on Windows, Linux, and macOS prior to version 15.82 allows a local authenticated user with low privileges to perform arbitrary file writes with elevated privileges (NT AUTHORITY/SYSTEM \ root). By sending crafted IPC commands to the l…
- Affected
- See advisory
- Fix
- Upgrade the product to 15.82 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.8 high
References
Original description
Improper path validation in the local IPC service of TeamViewer Full Client and Host on Windows, Linux, and macOS prior to version 15.82 allows a local authenticated user with low privileges to perform arbitrary file writes with elevated privileges (NT AUTHORITY/SYSTEM \ root). By sending crafted IPC commands to the local service daemon, an attacker could manipulate file paths, leading to local privilege escalation.
Last activity 29 Sep 2026. Patch Forecast updates every hour.