CVE-2025-54091 - OpenCVE

Integer overflow or wraparound in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Microsoft	Hyper-v Windows Windows 10 Windows 11 Windows Server Windows Server 2012

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54091

History

Mon, 15 Sep 2025 10:45:00 +0000

Type	Values Removed	Values Added
First Time appeared		Microsoft Microsoft hyper-v Microsoft windows Microsoft windows 10 Microsoft windows 11 Microsoft windows Server Microsoft windows Server 2012
Vendors & Products		Microsoft Microsoft hyper-v Microsoft windows Microsoft windows 10 Microsoft windows 11 Microsoft windows Server Microsoft windows Server 2012

Tue, 09 Sep 2025 18:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 09 Sep 2025 17:15:00 +0000

Type	Values Removed	Values Added
Description		Integer overflow or wraparound in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
Title		Windows Hyper-V Elevation of Privilege Vulnerability
Weaknesses		CWE-122 CWE-190
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54091
Metrics		cvssV3_1 `{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2025-09-09T17:01:17.742Z

Updated: 2025-09-18T21:42:30.116Z

Reserved: 2025-07-16T19:49:12.437Z

Link: CVE-2025-54091

Vulnrichment

Updated: 2025-09-09T17:54:09.816Z

NVD

Status : Awaiting Analysis

Published: 2025-09-09T17:15:52.563

Modified: 2025-09-11T17:14:25.240

Link: CVE-2025-54091

Redhat

No data.

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