Ref# ADV2025_351 | Date: Oct 4th 2025

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TeamViewer has published a security advisory highlighting vulnerabilities in the following products on September 30^th, 2025. This vulnerability allows local privilege escalation on a Windows system. It is recommended that you take the necessary precautions by ensuring your products are always updated.

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

For more information on this update, you can follow these URLs:

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

The Guyana National CIRT recommends that users and administrators review this update and apply it where necessary.

PDF Download: TeamViewer Security Advisory

References

• TeamViewer Security Advisory. (October 02, 2025). Retrieved from Canadian Centre for Cyber Security.
  https://www.cyber.gc.ca/en/alerts-advisories/teamviewer-security-advisory-av25-638

 

• Privilege Escalation via Symbolic Link Spoofing in TeamViewer Client. (September 30, 2025). Retrieved from TeamViewer.
  https://www.teamviewer.com/en-ca/resources/trust-center/security-bulletins/tv-2025-1004/