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CVE-2026-26143
Published: Apr 14, 2026
Modified: Jun 1, 2026
PUBLISHED
CVSS v3.1
7.8
HIGH
Description
Improper input validation in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.
| Vendor | Product | Versions |
|---|---|---|
Microsoft | PowerShell 7.4 | affected 7.4.0 - < 7.4.14 |
Microsoft | PowerShell 7.5 | affected 7.5.0 - < 7.5.5 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
References
Microsoft PowerShell Security Feature Bypass Vulnerability
vendor-advisory
patch
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