PT-2025-46506 · Microsoft · Windows Ancillary Function Driver For Winsock+1

Published 2025-11-11 · Updated 2025-11-14 · CVE-2025-62213

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Windows Ancillary Function Driver for WinSock (affected versions not specified)

Description A use after free issue exists in the Windows Ancillary Function Driver for WinSock. This flaw could allow an authorized attacker to gain elevated privileges on a local system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2025-14192

CVE-2025-62213

Affected Products

Windows

Windows Ancillary Function Driver For Winsock

References · 9

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-62213 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-62213 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-62213 · Security Note
• https://bdu.fstec.ru/vul/2025-14192 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62213 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-62213 · Security Note
• https://t.me/avleonovcom/1606 · Telegram Post
• https://twitter.com/CVEnew/status/1988348991113732145 · Twitter Post
• https://t.me/CVEtracker/37057 · Telegram Post