Elevation of Privilege Vulnerability in Windows DWM Core Library
CVE-2026-44811

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Windows 11 Version 26h1
Vendor
CVE Published:
9 June 2026

What is CVE-2026-44811?

The vulnerability involves a use after free condition in the Windows DWM Core Library, which can be exploited by an authorized attacker to escalate privileges locally. This security flaw potentially allows unauthorized access and manipulation of system resources, impacting overall system integrity. Users are encouraged to apply the available security patches promptly to mitigate risks associated with this vulnerability.

Affected Version(s)

Windows 11 version 26H1 ARM64-based Systems 10.0.28000.0 < 10.0.28000.2269

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.