CVE-2026-26143
Microsoft PowerShell Security Feature Bypass Vulnerability
7.8
HIGH
CVSS 3.1
EPSS 0.06%
Description
Improper input validation in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.
How to fix CVE-2026-26143
To remediate CVE-2026-26143, upgrade the affected package to a fixed version below.
- Bitnami/powershell—upgrade to 7.4.14 or later
Is CVE-2026-26143 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 7.4.0, < 7.4.14, >= 7.5.0, < 7.5.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |