Elevation of Privilege Vulnerability in Microsoft Desktop Window Manager
CVE-2026-58633

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Windows 11 Version 26h1
Vendor
CVE Published:
14 July 2026

What is CVE-2026-58633?

A vulnerability exists in the Desktop Window Manager, which may be exploited by an authorized attacker to elevate their privileges locally. This type of issue occurs when a program does not properly handle memory, allowing an attacker to gain unauthorized access to system functionality or user processes. Users should apply the necessary patches to mitigate potential risks associated with this vulnerability.

Affected Version(s)

Windows 11 version 26H1 ARM64-based Systems 10.0.28000.0 < 10.0.28000.2525

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

.