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CVE-2026-26143

nvd nist
Published: Apr 14, 2026Modified: Oct 26, 2026

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: secure@microsoft.com (Secondary)

Description

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

Affected (2)

Microsoft
1 product
Powershell
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Microsoft
Powershell
7.4 ≤ version < 7.4.14
Powershell
7.5 ≤ version < 7.5.5

Related CWEs

CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (1)

Source: secure@microsoft.com
Vendor Advisory

Timeline

No history available yet.