CyberICT

CVE-2026-78446

Microsoft · Published October 5, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

Windows Distributed File System (DFS) Remote Code Execution Vulnerability. Use after free in Windows Distributed File System (DFS) allows an authorized attacker to execute code over a network.

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:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C