SB20260205111 - Improper authorization in TeamViewer Full and Host clients
Published: February 5, 2026
Security Bulletin ID
SB20260205111
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper authorization (CVE-ID: CVE-2026-23572)
The vulnerability allows a remote user to bypass authorization checks.
The vulnerability exists due to improper authorization checks when "Allow after confirmation" option is selected. A remote authenticated user can bypass additional access control and gain access to the system without an additional user consent.
Note, the attacker needs to be authenticated for the remote session via ID/password, Session Link, or Easy Access as a prerequisite to exploit this vulnerability.
Remediation
Install update from vendor's website.