{"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":"2026-07-15T06:01:18.943900Z","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":"1393d167f54466ec60c547b56f0c4d8326da7dc8"},{"fixed":"ac5129a759d8a6e9d7bb4090c3ccc1896a21d064"},{"introduced":"713e77f15f63bae9f23fb02045c7843ad6a8769b"},{"fixed":"695a2d90541eb8bd49e4578b25d13db978a85b8f"}],"database_specific":{"cpe":"cpe:2.3:a:microsoft:powershell:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"7.4"},{"fixed":"7.4.14"},{"introduced":"7.5"},{"fixed":"7.5.5"}],"source":"CPE_RANGE"}}],"versions":["v7.4.8","v7.4.11","v7.4.9","v7.4.7","v7.4.5","v7.4.4","v7.4.3","v7.4.2","v7.4.1","v7.4.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26143.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}