CVE-2026-111584
Local Privilege Escalation via Race Condition in TeamViewer Patch Management for Windows
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.
Fixes and workarounds
Fix
Update to the latest available version.
Source: CNA: TVAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| TeamViewer Remote - Patch Management TeamViewer Platforms: Windows |
≥ 0; < 26.9.1 (affected, custom) ≥ 0 (Legacy version for v14.7 client); < 24.12.5 (Legacy version for v14.7 client) (affected, custom) Other versions: unaffected |
CNA: TV |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 7.3 high |
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H | CNA: TV |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1012/CNA: TV · vendor-advisory
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