Race Condition Vulnerability in Microsoft Windows Secure Channel
CVE-2025-27492

7HIGH

Key Information:

Vendor
Microsoft
Status
Windows Server 2022
Windows 11 Version 22h2
Windows Server 2025 (server Core Installation)
Windows 11 Version 22h3
Vendor
CVE Published:
8 April 2025

Summary

A vulnerability has been identified in Windows Secure Channel where improper synchronization during concurrent execution with shared resources can be exploited. This weakness allows an authorized attacker to potentially escalate privileges locally. This can lead to unauthorized access and manipulation of sensitive data and system functions. It is essential for users to apply relevant patches and mitigations to protect their systems against potential exploitation.

Affected Version(s)

Windows 11 version 22H2 ARM64-based Systems 10.0.22621.0 < 10.0.22621.5191

Windows 11 version 22H3 ARM64-based Systems 10.0.22631.0 < 10.0.22621.5191

Windows 11 Version 23H2 x64-based Systems 10.0.22631.0 < 10.0.22631.5191

References

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

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

.