---
id: "CVE-2026-111584"
kind: "vulnerability"
aliases: ["CVE-2026-111584"]
title: "TeamViewer Patch Management for Windows: installer race lets low-privilege users run code as admin"
severity: "high"
cvss: 7.3
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["other", "remote-management", "teamviewer", "windows"]
not_affected_if: ["patch-management-not-installed"]
published_at: "2026-10-27T16:17:29+00:00"
first_seen_at: "2026-10-27T16:33:07+00:00"
updated_at: "2026-10-27T16:34:16+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-111584", "first_seen_at": "2026-10-27T16:33:07+00:00"}]
---

# TeamViewer Patch Management for Windows: installer race lets low-privilege users run code as admin

A race condition during installation of TeamViewer Remote Management Patch Management for Windows, before version 26.9.1, lets a local user with low privileges replace the service executable in an insufficiently protected temporary directory. The attacker can then run arbitrary code with elevated privileges.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed TeamViewer Remote Management Patch Management version on Windows machines and compare it to `26.9.1`
- unknown

## Fix

- Update TeamViewer Remote Management Patch Management for Windows to `26.9.1` or later
- unknown

## Timeline

- 2026-10-27T16:33:07+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-111584

## From the sources

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.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_