CVE-2026-44808

Windows DWM Core Library Elevation of Privilege Vulnerability

State: Published
Severity: 7.8 High
Published: Jun 9, 2026
Updated: Sep 24, 2026
Reserved: May 7, 2026

Description

Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	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	microsoft

Weaknesses

CWE-122 Heap-based Buffer Overflow
CWE-125 Out-of-bounds Read

Affected Products

Product	Versions
Windows 11 version 26H1Microsoft	10.0.28000.0 to before 10.0.28000.2269Affected

References

Windows DWM Core Library Elevation of Privilege Vulnerabilityvendor-advisorypatch

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.