Use After Free Vulnerability in Windows Management Services by Microsoft
CVE-2026-58544

7HIGH

Key Information:

Vendor

Microsoft
Status
Windows 11 Version 24h2
Windows 11 Version 25h2
Windows 11 Version 26h1
Windows Server 2025
Vendor
CVE Published:
14 July 2026

What is CVE-2026-58544?

A vulnerability exists in Windows Management Services that stems from a use after free condition, enabling authorized attackers to gain elevated privileges locally. Attackers taking advantage of this weakness could manipulate the behavior of applications and gain unauthorized access to system resources, ultimately compromising the integrity of the operating system. Users are advised to update their systems promptly to mitigate the risks associated with this vulnerability.

Affected Version(s)

Windows 11 Version 24H2 ARM64-based Systems 10.0.26100.0 < 10.0.26100.8875

Windows 11 Version 25H2 ARM64-based Systems 10.0.26200.0 < 10.0.26100.8875

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.