CVE-2026-26143

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

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:powershell::::::::
	cpe:2.3:a:microsoft:powershell::::::::

History

No history.

Information

Published : 2026-04-14 18:16

Updated : 2026-06-17 10:25

NVD link : CVE-2026-26143

Mitre link : CVE-2026-26143

CVE.ORG link : CVE-2026-26143

JSON object : View

Products Affected

microsoft

powershell

CWE

CWE-20

Improper Input Validation

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