CVE-2026-26143
High
Description
Improper input validation in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Microsoft Powershell
PublishedApr 14, 2026
First seenApr 14, 2026
Weakness typeCWE-20Improper input validation
How to fix
Update
- microsoft powershell7.4.14, 7.5.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft powershell | 7.4 ≤ v < 7.4.14, 7.5 ≤ v < 7.5.5 | 7.4.14, 7.5.5 |
Check your version
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