Elevation of Privilege Vulnerability in Windows Hyper-V by Microsoft
CVE-2025-53723

7.8HIGH

Key Information:

Vendor

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

What is CVE-2025-53723?

A numeric truncation error in Windows Hyper-V can be exploited by an authorized attacker to elevate their privileges locally. This vulnerability allows malicious users to gain higher access levels than intended, potentially compromising system integrity. It is crucial for organizations using Windows Hyper-V to monitor for this issue and apply appropriate security measures to mitigate potential risks associated with this vulnerability.

Affected Version(s)

Windows 10 Version 1507 x64-based Systems 10.0.10240.0 < 10.0.10240.21100

Windows 10 Version 1607 x64-based Systems 10.0.14393.0 < 10.0.14393.8330

Windows 10 Version 1809 x64-based Systems 10.0.17763.0 < 10.0.17763.7678

References

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

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

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CVE-2025-53723 : Elevation of Privilege Vulnerability in Windows Hyper-V by Microsoft