CVE-2025-54895 - Vulnerability Details - OpenCVE

Integer overflow or wraparound in Windows SPNEGO Extended Negotiation allows an authorized attacker to elevate privileges locally.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Changed

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	Windows Windows 10 Windows 11 Windows Server Windows Server 2008

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54895

History

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

Type	Values Removed	Values Added
First Time appeared		Microsoft Microsoft windows Microsoft windows 10 Microsoft windows 11 Microsoft windows Server Microsoft windows Server 2008
Vendors & Products		Microsoft Microsoft windows Microsoft windows 10 Microsoft windows 11 Microsoft windows Server Microsoft windows Server 2008

Tue, 09 Sep 2025 23:15:00 +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 SPNEGO Extended Negotiation allows an authorized attacker to elevate privileges locally.
Title		SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Elevation of Privilege Vulnerability
Weaknesses		CWE-190 CWE-367
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54895
Metrics		cvssV3_1 `{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2025-09-09T17:00:52.371Z

Updated: 2025-09-12T00:48:43.894Z

Reserved: 2025-07-31T18:54:19.611Z

Link: CVE-2025-54895

Vulnrichment

Updated: 2025-09-09T17:46:26.131Z

NVD

Status : Awaiting Analysis

Published: 2025-09-09T17:16:00.077

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

Link: CVE-2025-54895

Redhat

No data.

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