# CVE-2026-111584: Local Privilege Escalation via Race Condition in TeamViewer Patch Management for Windows

Status: published. Published: 2026-10-27. Updated: 2026-11-04.

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.

## Remediation

- fix: Update to the latest available version. (source: CNA: TV)

## Affected products and versions

- TeamViewer / TeamViewer Remote - Patch Management: ≥ 0; < 26.9.1 (affected, custom); ≥ 0 (Legacy version for v14.7 client); < 24.12.5 (Legacy version for v14.7 client) (affected, custom). Source: CNA: TV; platforms: Windows

## Severity and prioritization

- CVSS 3.1: 7.3 (high); CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H; source: CNA: TV

- CISA KEV: No listing in collected sources

- EPSS: 0.11% as of 2026-11-04; percentile 1.18%

- SSVC: exploitation none; automatable no; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-269

## 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)

## Provenance

- CNA: TV: https://www.cve.org/CVERecord?id=CVE-2026-111584; retrieved 2026-11-04; source updated 2026-11-04

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-111584; retrieved 2026-11-04; source updated Not reported

Revision: 2ee4215ebf2ba12a724299e6d7ff152d470f9992b1f39dd8af74b2cf78b55a3c

Canonical: https://y2.dev/cve/CVE-2026-111584

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