CVE-2025-54099 - Vulnerability Details - OpenCVE

Stack-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

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	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-2025-54099

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		Stack-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Title		Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Weaknesses		CWE-121
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54099
Metrics		cvssV3_1 `{'score': 7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2025-09-09T17:00:47.771Z

Updated: 2025-09-12T00:48:39.352Z

Reserved: 2025-07-16T19:49:12.439Z

Link: CVE-2025-54099

Vulnrichment

Updated: 2025-09-09T17:47:43.735Z

NVD

Status : Awaiting Analysis

Published: 2025-09-09T17:15:54.297

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

Link: CVE-2025-54099

Redhat

No data.

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