CyberICT

CVE-2026-40400

Microsoft · Published July 14, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

Windows PowerShell Remote Code Execution Vulnerability. Relative path traversal in Windows PowerShell 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:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C