Race Condition Vulnerability in Windows Shell by Microsoft
CVE-2025-64658

7.5HIGH

Key Information:

Vendor

Microsoft
Status
Windows 10 Version 1809
Windows Server 2019
Windows Server 2019 (server Core Installation)
Windows Server 2022
Vendor
CVE Published:
9 December 2025

What is CVE-2025-64658?

A race condition exists in Windows Shell due to improper synchronization in the handling of shared resources. An authorized attacker could exploit this vulnerability to elevate their privileges locally, potentially gaining unauthorized access to restricted functionalities within the system.

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Affected Version(s)

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.8146

Windows 10 Version 21H2 32-bit Systems 10.0.19044.0 < 10.0.19044.6691

Windows 10 Version 22H2 x64-based Systems 10.0.19045.0 < 10.0.19045.6691

References

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

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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