CVE-2026-96303

Microsoft PowerShell Security Feature Bypass Vulnerability

State: Published
Severity: 6.5 Medium
Published: Oct 13, 2026
Updated: Oct 31, 2026
Reserved: Sep 22, 2026

Description

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

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-358 Improperly Implemented Security Check for Standard

Affected Products

Product	Versions
PowerShell 7.4Microsoft	7.4.0 to before 7.4.21Affected
PowerShell 7.5Microsoft	7.5.0 to before 7.5.12Affected
PowerShell 7.6Microsoft	7.6.0 to before 7.6.8Affected

References

Microsoft PowerShell Security Feature Bypass Vulnerabilityvendor-advisorypatch

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