CVE-2026-111583
Local Privilege Escalation during Advanced Asset Management Installation in TeamViewer Client for Windows
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.
Fixes and workarounds
Fix
Update to the latest available version.
Source: CNA: TVAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| Full Client TeamViewer Platforms: Windows |
≥ 0; < 15.82 (affected, custom) ≥ 15.64.0 (Legacy windows 7 & 8); < 15.64.10 (Legacy windows 7 & 8) (affected, custom) Other versions: unaffected |
CNA: TV |
| Host TeamViewer Platforms: Windows |
≥ 0; < 15.82 (affected, custom) ≥ 15.64.0 (Legacy Windows 7 & 8); < 15.64.10 (Legacy Windows 7 & 8) (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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