CVE-2026-40400

HIGH

Microsoft Windows 10 Version 1607 - Windows PowerShell Remote Code Execution Vulnerability

Title source: rule
STIX 2.1

Description

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

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Windows PowerShell Remote Code Execution Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40400

Scores

CVSS v3 8.0
EPSS 0.0070
EPSS Percentile 49.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-23
Status published
Products (32)
Microsoft/Windows 10 Version 1607 10.0.14393.0 - 10.0.14393.9339
Microsoft/Windows 10 Version 1809 10.0.17763.0 - 10.0.17763.9020
Microsoft/Windows 10 Version 21H2 10.0.19044.0 - 10.0.19044.7548
Microsoft/Windows 10 Version 22H2 10.0.19045.0 - 10.0.19045.7548
Microsoft/Windows 11 Version 24H2 10.0.26100.0 - 10.0.26100.8875
Microsoft/Windows 11 Version 25H2 10.0.26200.0 - 10.0.26100.8875
Microsoft/Windows 11 Version 25H2 10.0.26200.0 - 10.0.26200.8875
Microsoft/Windows 11 version 26H1 10.0.28000.0 - 10.0.28000.2525
Microsoft/Windows Server 2012 6.2.9200.0 - 6.2.9200.26226
Microsoft/Windows Server 2012 (Server Core installation) 6.2.9200.0 - 6.2.9200.26226
... and 22 more
Published Jul 14, 2026
Tracked Since Jul 14, 2026