TeamViewer security advisory (AV25-638)

Serial number: AV25-638
Date: October 2, 2025

On September 30, 2025, TeamViewer released a security advisory to address a vulnerability in the following products:

• TeamViewer Remote Full Client (Windows) – versions prior to 15.70
• TeamViewer Remote Host (Windows) – versions prior to 15.70

The Cyber Centre encourages users and administrators to review the provided web links and perform the suggested mitigations.

• Privilege Escalation via Symbolic Link Spoofing in TeamViewer Client - TV-2025-1004
• TeamViewer Trust Center