CVE-2026-26143

Published Apr 14, 2026

Last updated 20 days ago

Overview

Description
Improper input validation in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.
Source
secure@microsoft.com
NVD status
Analyzed
Products
powershell

Risk scores

CVSS 3.1

Type
Primary
Base score
7.8
Impact score
5.9
Exploitability score
1.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

secure@microsoft.com
CWE-20

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.