CVE-2026-69775

Windows DWM Core Library Elevation of Privilege Vulnerability

State: Published
Severity: 7.1 High
Published: Sep 8, 2026
Updated: Oct 31, 2026
Reserved: Aug 3, 2026

Description

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

Scores

CVSS	Score	Vector	Source
3.1	7.1 High	CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
Windows 11 version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.7582Affected
Windows 11 Version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.7582Affected
Windows Server 2025Microsoft	10.0.26100.0 to before 10.0.26100.33438Affected
Windows Server 2025 (Server Core installation)Microsoft	10.0.26100.0 to before 10.0.26100.33438Affected

References

Windows DWM Core Library Elevation of Privilege Vulnerabilityvendor-advisorypatch

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