PT-2026-24303 · Microsoft · Windows

Angelboy · Published 2026-03-10 · Updated 2026-03-16 · CVE-2026-25176

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/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 An improper access control issue exists in the Windows Ancillary Function Driver for WinSock. Exploitation may allow an authorized attacker to elevate privileges locally. The issue relates to deficiencies in access control mechanisms within the driver.

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

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

BDU:2026-02895

CVE-2026-25176

Affected Products

Windows

References · 10

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-25176 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-25176 · Security Note
• https://bdu.fstec.ru/vul/2026-02895 · Security Note
• https://msrc.microsoft.com/update-guide/advisory/CVE-2026-25176 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-25176 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-25176 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-25176 · Vendor Advisory
• https://twitter.com/CVEnew/status/2033361151472365800 · Twitter Post
• https://t.me/cveNotify/155456 · Telegram Post
• https://twitter.com/infoflowcloud/status/2033363076284633400 · Twitter Post