---
id: CVE-2026-69775
title: >-
  Use after free in Windows DWM Core Library allows an authorized attacker to
  elevate privileges over a network.
summary: >-
  Use after free in Windows DWM Core Library allows an authorized attacker to
  elevate privileges over a network.
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-416
vendor: Microsoft
product: Windows 11 version 23H2
affected:
  - windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7582
  - windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7582
  - windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33438
  - >-
    windows_server_2025_server_core_installation >= 10.0.26100.0 <
    10.0.26100.33438
published: '2026-09-08'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T04:18:14.937'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-69775'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69775'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-09T19:09:33.498589Z'
epss: 0.00522
epssPercentile: 0.43126
ingestedAt: '2026-09-08T19:08:49.619Z'
---

## Overview

Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges over a network.

## Remediation

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