{"id":"CVE-2026-26143","revision":"d4f51db29ecb409e9bddc008daef747c","records":[{"revision":"d4f51db29ecb409e9bddc008daef747c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-26143","aliases":[],"title":"Microsoft PowerShell Security Feature Bypass Vulnerability","description":"Improper input validation in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally.","state":0,"publishedAt":"2026-04-14T16:57:53.686+00:00","modifiedAt":"2026-10-15T15:53:06.699+00:00","affected":[{"ecosystem":"Vendor product","name":"PowerShell 7.4","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"PowerShell 7.4\",\n                    \"versions\": [\n                        {\n                            \"version\": \"7.4.0\",\n                            \"lessThan\": \"7.4.14\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"PowerShell 7.5","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"PowerShell 7.5\",\n                    \"versions\": [\n                        {\n                            \"version\": \"7.5.0\",\n                            \"lessThan\": \"7.5.5\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"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","score":7.8,"severity":"HIGH"}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26143"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-26143","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-26143","identifiers":["CVE-2026-26143"]},"retained":false,"historicalAffected":[]}],"coverage":[]}