CVE-2026-40400 HIGH

CVE-2026-40400: Windows PowerShell Remote Code Execution Vulnerability

Vendor Microsoft
Product Windows 10 Version 1607
Weakness CWE-23
Published July 14, 2026
Last update July 24, 2026
View on NVD All CVEs

CVSS base score

8.0/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

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

What the vulnerability does

01Description

Relative path traversal in Windows PowerShell allows an authorized attacker to execute code over a network.

Key dates

02Disclosure timeline

July 14, 2026 CVE published
July 24, 2026 Record updated

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04Related CVE

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