CVE-2026-96303: Improperly implemented security check for standard in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature over a network.

PriorityP338medium6.5CVSS 3.1

AVNACLPRNUIRSUCNIHAN

EPSS

0.69%

52.5th percentile

Improperly implemented security check for standard in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature over a network.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
microsoft	powershell	>= 7.4 < 7.4.21	7.4.21
microsoft	powershell	>= 7.5 < 7.5.12	7.5.12
microsoft	powershell	>= 7.6 < 7.6.7	7.6.7
microsoft	powershell_7.4	>= 7.4.0 < 7.4.21	7.4.21
microsoft	powershell_7.5	>= 7.5.0 < 7.5.12	7.5.12
microsoft	powershell_7.6	>= 7.6.0 < 7.6.8	7.6.8

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