CVE-2026-26143

HIGH

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

CVSS v3.1 Score

7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 4/14/2026Modified: 4/27/2026

Related Intelligence (0)

No articles currently reference this CVE.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26143Vendor Advisory