CVE-2026-111583
Received Received - Intake

Improper Access Control in TeamViewer Windows Installer

Publication date: 2026-10-27

Last updated on: 2026-10-27

Assigner: TeamViewer Germany GmbH

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.

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Meta Information

Published
2026-10-27
Last Modified
2026-10-27
Generated
2026-10-27
AI Q&A
2026-10-27
EPSS Evaluated
N/A
NVD
CVE-2026-111583
EUVD
EUVD-2026-111079

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
TeamViewer Full Client 0
TeamViewer Full Client 15.64.0 (Legacy windows 7 & 8)
TeamViewer Host 0
TeamViewer Host 15.64.0 (Legacy Windows 7 & 8)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-269 The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Attack-Flow Graph

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Executive Summary

This vulnerability is an improper access control issue in the installer staging directory of TeamViewer Full Client and Host for Windows before version 15.82. A local authenticated user with low privileges can exploit this to run arbitrary commands as SYSTEM by placing a malicious installer options file during Advanced Asset Management service activation.

Detection Guidance

Detecting this vulnerability requires checking the installed TeamViewer version on Windows systems. Compare the version against 15.82. Look for unusual installer options files in the staging directory during Advanced Asset Management installation. No specific commands are provided in the context.

Impact Analysis

An attacker with local access could gain full system control, install malware, steal data, or perform other malicious actions with SYSTEM privileges. This could lead to complete compromise of the affected machine.

Mitigation Strategies

Update TeamViewer Full Client and Host to version 15.82 or later. Ensure no untrusted installer options files exist in the staging directory. Apply principle of least privilege to local users to limit access.

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