EUVD-2026-22369

| CVE-2026-26143 HIGH
2026-04-14 microsoft GHSA-hrfw-jjgv-mg38
Authentication Bypass Microsoft Powershell 7 4 Powershell 7 5
7.8
CVSS 3.1
Temporal: 6.8
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CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
Analysis Generated
Apr 14, 2026 - 19:25 vuln.today

DescriptionNVD

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

AnalysisAI

Authentication bypass in Microsoft PowerShell 7.4 (versions prior to 7.4.14) and 7.5 (versions prior to 7.5.5) allows local attackers to bypass security features through improper input validation. The vulnerability requires user interaction but no authentication (PR:N), enabling attackers to achieve high impact across confidentiality, integrity, and availability. …

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RemediationAI

Within 24 hours: Identify all systems running PowerShell 7.4 and 7.5 using inventory and configuration management tools. Within 7 days: Upgrade PowerShell 7.4 to version 7.4.14 or later and PowerShell 7.5 to version 7.5.5 or later across all affected endpoints; prioritize systems with elevated privilege execution contexts. …

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EUVD-2026-22369 vulnerability details – vuln.today
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