Elevation of Privilege in Microsoft Windows Desktop Window Manager
CVE-2026-32155

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Windows 10 Version 21h2
Windows 10 Version 22h2
Windows 11 Version 22h3
Windows 11 Version 23h2
Vendor
CVE Published:
14 April 2026

What is CVE-2026-32155?

A vulnerability in the Desktop Window Manager could allow an authorized attacker to leverage the use-after-free condition to elevate privileges locally on the affected system. This may enable the attacker to execute arbitrary code with elevated privileges, potentially compromising the security of the operating system and its applications.

Affected Version(s)

Windows 10 Version 21H2 32-bit Systems 10.0.19044.0 < 10.0.19044.7184

Windows 10 Version 22H2 32-bit Systems 10.0.19045.0 < 10.0.19045.7184

Windows 11 version 22H3 ARM64-based Systems 10.0.22631.0 < 10.0.22631.6936

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

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