CVE-2026-26143

Microsoft PowerShell Security Feature Bypass Vulnerability

CVSS 7.8 HIGHEPSS 0.5%CWE-20

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.8EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

14 Apr 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected products

References