CVE-2025-32709 HIGH

CVE-2025-32709: Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Vendor Microsoft
Product Windows 10 Version 1507
Weakness CWE-416
KEV Status Known Exploited
Published May 13, 2025
Last update February 26, 2026
View on NVD All CVEs

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS 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

What the vulnerability does

01Description

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

CISA mandated remediation

02CISA Required Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Key dates

03Disclosure timeline

May 13, 2025 CVE published
February 26, 2026 Record updated