7.8
High
CVE-2026-26143 Improper input validation in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally
Description
Improper input validation in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| PowerShell 7.4 7.4 | 7.4.0 → < 7.4.14 | 7.4.14 |
| PowerShell 7.5 7.5 | 7.5.0 → < 7.5.5 | 7.5.5 |
References
- Microsoft PowerShell Security Feature Bypass Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
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