EUVD-2025-20645

| CVE-2025-49661 HIGH
2025-07-08 [email protected]
7.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 16, 2026 - 04:21 vuln.today
EUVD ID Assigned
Mar 16, 2026 - 04:21 euvd
EUVD-2025-20645
CVE Published
Jul 08, 2025 - 17:15 nvd
HIGH 7.8

Tags

Microsoft Information Disclosure Windows Server 2008 Windows Server 2022 23h2 Windows 10 1507 Windows 10 1607 Windows 11 22h2 Windows 10 22h2 Windows Server 2025 Windows 10 1809 Windows Server 2016 Windows 10 21h2 Windows 11 23h2 Windows Server 2019 Windows 11 24h2 Windows Server 2012 Windows Server 2022 Windows

Description

Untrusted pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Analysis

A privilege escalation vulnerability in Untrusted pointer dereference in Windows Ancillary Function Driver for WinSock (CVSS 7.8) that allows an authorized attacker. High severity vulnerability requiring prompt remediation.

Technical Context

Vulnerability type: privilege escalation. CVSS 7.8 indicates high severity. Affects Untrusted pointer dereference in Windows Ancillary Function Driver for WinSock.

Affected Products

['Untrusted pointer dereference in Windows Ancillary Function Driver for WinSock']

Remediation

Monitor vendor channels for patch availability.

Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +39
POC: 0

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EUVD-2025-20645 vulnerability details – vuln.today
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