CVE catalog

CVE-2026-26143

Improper input validation in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.

[CVE catalog]

Severity
High · CVSS 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
Source
[NVD] · [CVE record]
EPSS
0.54% · Oct 25, 2026

Improper input validation in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
CpepowershellNot reported7.4.14fixed
CpepowershellNot reported7.5.5fixed
CpepowershellNot reported7.5.5fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
CpepowershellcpeNot reported7.4.14Not reportedNot reportedNot reported
CpepowershellcpeNot reported7.5.5Not reportedNot reportedNot reported
CpepowershellcpeNot reported7.5.5Not reportedNVD-CVE-2026-26143Not reported

OpenFactory catalog packages

No matching packages in this catalog.

Observed:

References