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Vulnerability · Published Oct 27, 2026 · Assigned by TV

CVE-2026-111583Local Privilege Escalation during Advanced Asset Management Installation in TeamViewer Client for Windows

High 7.3

In plain English

A high-severity privilege mismanagement in Full Client from TeamViewer. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.2%top 91.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
TeamViewer Full Client 0 – before 15.8215.64.0 (Legacy windows 7 & 8) – before 15.64.10 (Legacy windows 7 & 8)
TeamViewer Host 0 – before 15.8215.64.0 (Legacy Windows 7 & 8) – before 15.64.10 (Legacy Windows 7 & 8)

Weakness: CWE-269 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

References