Vulnerability in TeamViewer Full Client

[ Description ]Official description

Improper access control in the Patch Management update mechanism of TeamViewer Full Client and Host for Windows prior to version 15.82 allows a local authenticated attacker with low privileges to supply a signed executable through a forged IPC response and cause it to load a malicious DLL from a user-writable temporary directory. Successful exploitation results in arbitrary code execution with NT AUTHORITY\SYSTEM privileges.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund27 Oct 2026WID-SEC-2026-4188

  TeamViewer: Multiple vulnerabilities allow privilege escalation Translated from German

  CVE-2026-92375CVE-2026-111583CVE-2026-111582+3 more CVEs

[ References ]References

• www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1012