Race Condition in Windows Hyper-V Allows Unauthorized Privilege Elevation
CVE-2025-54115

7HIGH

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 September 2025

What is CVE-2025-54115?

The vulnerability discovered in Windows Hyper-V arises from a race condition due to improper synchronization when accessing shared resources. This flaw potentially allows an authorized attacker to exploit the system and gain elevated privileges locally, posing a significant security risk to users. Proper measures should be taken to ensure security against such vulnerabilities.

Affected Version(s)

Windows 10 Version 1809 x64-based Systems 10.0.17763.0 < 10.0.17763.7792

Windows 10 Version 21H2 x64-based Systems 10.0.19044.0 < 10.0.19044.6332

Windows 10 Version 22H2 x64-based Systems 10.0.19045.0 < 10.0.19045.6332

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

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CVE-2025-54115 : Race Condition in Windows Hyper-V Allows Unauthorized Privilege Elevation