CVE-2026-40400

HighCVSS 8.0/10Last modified Sep 17, 2026

Description

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

Metrics

CVSS 3.1 8.0/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-23

Affected software

No affected versions have been published.

Timeline

Published
Jul 14, 2026
Last modified
Sep 17, 2026
NVD status
Analyzed

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CVE-2026-40400: High severity, CVSS 8.0 | Vulnix