CVE-2026-111584 PUBLISHED

Local Privilege Escalation via Race Condition in TeamViewer Patch Management for Windows

Assigner: TV
Reserved: 16.10.2026 Published: 27.10.2026 Updated: 27.10.2026

A race condition in the installation process of TeamViewer Remote Management - Patch Management for Windows prior to version 26.9.1 allows a local authenticated attacker with low privileges to execute arbitrary code with elevated privileges by replacing the service executable in an insufficiently protected temporary directory during Patch Management activation.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS Score: 7.3

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	Required	Availability Impact	High

CVSS 3.1

Product Status

Vendor	TeamViewer
Product	TeamViewer Remote - Patch Management
Versions	Default: unaffected affected from 0 to 26.9.1 (excl.) affected from 0 (Legacy version for v14.7 client) to 24.12.5 (Legacy version for v14.7 client) (excl.)

Solutions

Update to the latest available version.

Credits

0x_alibabas (Giuliano Sanfins) finder

References

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

Problem Types

CWE-269: Improper Privilege Management CWE