Risk Scores
CVSS v3.1
7.800000190734863
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
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| PowerShell 7.5 7.5.5 | ||
| PowerShell 7.5 <7.5.5 | ||
| PowerShell 7.4 <7.4.14 | ||
| PowerShell 7.4 7.4.14 |
Timeline
- Apr 14, 2026 CVE Published
- Apr 15, 2026 Security Advisory
- Apr 15, 2026 Security Advisory
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26143 advisory
- https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-26143.json advisory
- https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1 url
- https://support.microsoft.com/lifecycle url
- https://www.first.org/cvss url
- https://github.com/PowerShell/Announcements/issues/82 fix