CVE-2026-34346CWE-319

Windows Ancillary Function Driver for WinSock Information Disclosure Vulnerability

Medium · published July 14, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
18.2
In the wild
Unconfirmed
What it is

Cleartext transmission of sensitive information in Windows Ancillary Function Driver for WinSock allows an authorized attacker to disclose information locally.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00270 · 18.2th percentile
Weakness
CWE-319 · Cleartext Transmission of Sensitive Information
Published
2026-07-14T17:04Z
EPSS history
Timeline
  • 14 JUL 17:04Z
    Windows Ancillary Function Driver for WinSock Information Disclosure Vulnerability
    cvelistv5