CVSS VectorNVD

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

Lifecycle Timeline

1
Analysis Generated
Apr 14, 2026 - 19:26 vuln.today

DescriptionNVD

Improper input validation in Microsoft PowerShell allows an authorized attacker to elevate privileges locally.

AnalysisAI

Microsoft PowerShell privilege escalation affecting Windows 10/11 and Server 2016-2025 allows authenticated local attackers with low privileges to gain SYSTEM-level access through improper input validation (CWE-20). The vulnerability has a CVSS score of 7.8 with low attack complexity and requires no user interaction, enabling straightforward exploitation by any standard user account. …

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RemediationAI

Within 24 hours: inventory all Windows 10, 11, and Server 2016-2025 systems in your environment and identify those with standard user accounts. Within 7 days: deploy Microsoft's released patches to all affected systems using your standard patch management process, prioritizing servers and privileged workstations. …

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CVE-2026-26170 vulnerability details – vuln.today

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