CVE-2025-54092
vulnerability analysis and mitigation

Overview

CVE-2025-54092 is a Windows Hyper-V Elevation of Privilege Vulnerability that was disclosed in September 2025 as part of Microsoft's Patch Tuesday updates. The vulnerability is rated as Important with a CVSSv3 score of 7.8 and was assessed as 'Exploitation Less Likely' according to Microsoft's Exploitability Index (Tenable Blog, BleepingComputer).

Technical details

The vulnerability is a race condition in Windows Hyper-V that could allow a local authenticated attacker to elevate their privileges. A successful exploitation requires the attacker to win a race condition to gain elevated privileges on the system (Tenable Blog).

Impact

If successfully exploited, the vulnerability would allow an authenticated attacker to elevate their privileges to SYSTEM level access on the affected Windows Hyper-V system (Tenable Blog).

Mitigation and workarounds

Microsoft has released patches for this vulnerability as part of the September 2025 Patch Tuesday updates. System administrators are strongly urged to apply the security updates promptly to mitigate the risk (BleepingComputer).

Additional resources


SourceThis report was generated using AI

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