{"id":"CVE-2026-26143","details":"Improper input validation in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.","aliases":["BIT-powershell-2026-26143"],"modified":"2026-09-14T14:04:01.436609Z","published":"2026-04-14T18:16:45.620Z","references":[{"type":"ADVISORY","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26143"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/powershell/powershell","events":[{"introduced":"60226d41612be32bc6bc65e4ab53820f9c9103d8"},{"fixed":"98b98684ed95cf5ac75c273aade1df37e273f269"},{"introduced":"cfd566209cb91006362e18bdaefe1d203305fd0a"},{"fixed":"a11ba0de4b0f1a7b2af02a946025b3edad63b6e8"}],"database_specific":{"extracted_events":[{"introduced":"7.4"},{"fixed":"7.4.14"},{"introduced":"7.5"},{"fixed":"7.5.5"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:microsoft:powershell:*:*:*:*:*:*:*:*"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26143.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}