---
id: CVE-2026-27924
title: Desktop Window Manager Elevation of Privilege Vulnerability
summary: >-
  Use after free in Desktop Window Manager allows an authorized attacker to
  elevate privileges locally.
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-416
vendor: Microsoft
product: Windows 10 Version 21H2
affected:
  - windows_10_version_21h2 >= 10.0.19044.0 < 10.0.19044.7184
  - windows_10_version_22h2 >= 10.0.19045.0 < 10.0.19045.7184
  - windows_11_version_22h3 >= 10.0.22631.0 < 10.0.22631.6936
  - windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.6936
  - windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5020
  - >-
    windows_server_2022_23h2_edition_server_core_installation >= 10.0.25398.0 <
    10.0.25398.2274
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-04-09T00:00:00+00:00'
published: '2026-04-14'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T17:25:07.414Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-27924'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27924'
    label: Desktop Window Manager Elevation of Privilege Vulnerability
tags:
  - cve.org
epss: 0.00333
epssPercentile: 0.23918
ingestedAt: '2026-09-25T18:14:20.453Z'
---

## Overview

Use after free in Desktop Window Manager allows an authorized attacker to elevate privileges locally.

## Affected

- `windows_10_version_21h2 >= 10.0.19044.0 < 10.0.19044.7184`
- `windows_10_version_22h2 >= 10.0.19045.0 < 10.0.19045.7184`
- `windows_11_version_22h3 >= 10.0.22631.0 < 10.0.22631.6936`
- `windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.6936`
- `windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5020`
- `windows_server_2022_23h2_edition_server_core_installation >= 10.0.25398.0 < 10.0.25398.2274`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.