CVE-2026-111583

High

Description

Improper access control in the installer staging directory used by TeamViewer Full Client and Host prior to version 15.82 for Windows during installation of Advanced Asset Management allows a local authenticated user with low privileges to execute arbitrary commands as SYSTEM. An attacker can place a crafted installer options file that is processed by the Advanced Asset Management installer during service activation.

SeverityHigh
CVSS7.3
Exploit probability—
ProductFull Client
PublishedOct 27, 2026
First seenOct 27, 2026

How to fix

Update
  • TeamViewer Full Client15.82, 15.64.10 (Legacy windows 7 & 8) or later
  • TeamViewer Host15.82, 15.64.10 (Legacy Windows 7 & 8) 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)15.82, 15.64.10 (Legacy windows 7 & 8)
TeamViewer Hostv < 15.82, 15.64.0 (Legacy Windows 7 & 8) ≤ v < 15.64.10 (Legacy Windows 7 & 8)15.82, 15.64.10 (Legacy Windows 7 & 8)

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