SB2025100347 - Privilege escalation in TeamViewer Full Client and Host for Windows
Published: October 3, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Link following (CVE-ID: CVE-2025-41421)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to an insecure link following issue. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.
Remediation
Install update from vendor's website.