CyberICT

CVE-2026-34346

Microsoft · Published July 14, 2026

CVSS v3.1

MEDIUM
Patch availableGet patch

Description

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

Affected Products

  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows Server 2019
  • Windows Server 2019 (Server Core installation)

CVSS 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