CVE-2026-92377

High

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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductFull Client
PublishedOct 27, 2026
First seenOct 27, 2026
Weakness typeCWE-732CWE-732

How to fix

Update
  • TeamViewer Full Client15.82, 15.64.10 (Legacy Windows 7 & 8), 14.7.48868, 13.2.36231 or later
  • TeamViewer Host15.82, 15.64.10 (Legacy Windows 7 & 8), 14.7.48868, 13.2.36231 or later

Affected products

ProductAffected versionsFixed in
TeamViewer Full Clientv < 15.82, 15.64.0 (Legacy Windows 7 & 8) ≤ v < 15.64.10 (Legacy Windows 7 & 8), 14.7.0 ≤ v < 14.7.48868, 13.2.0 ≤ v < 13.2.3623115.82, 15.64.10 (Legacy Windows 7 & 8), 14.7.48868, 13.2.36231
TeamViewer Hostv < 15.82, 15.64.0 (Legacy Windows 7 & 8) ≤ v < 15.64.10 (Legacy Windows 7 & 8), 14.7.0 ≤ v < 14.7.48868, 13.2.0 ≤ v < 13.2.3623115.82, 15.64.10 (Legacy Windows 7 & 8), 14.7.48868, 13.2.36231

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