CVE-2026-25179CWE-1287

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

High · published March 10, 2026

CVSS v3.1
7.0
EPSS
0%
Percentile
25.7
In the wild
Unconfirmed
What it is

Improper validation of specified type of input in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

The record
Technical detail
CVSS v3.1
7.0 · HIGH
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
CVSS v4.0
Not supplied
EPSS
0.00336 · 25.7th percentile
Weakness
CWE-1287 · Improper Validation of Specified Type of Input
Published
2026-03-10T17:04Z
EPSS history
Timeline
  • 10 MAR 17:04Z
    Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
    cvelistv5