{"schema":"threatline.record/2","record":{"id":"CVE-2026-70243","aliases":[],"summary":"Windows Kernel Elevation of Privilege Vulnerability","details":"Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.","categories":["Operating systems"],"product":"Windows 11 version 23H2","vendor":"Microsoft","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-70243","source_modified_at":"2026-10-23T22:22:39.357Z","fetched_at":"2026-10-24T00:31:04.721601Z","product":"Windows 11 version 23H2","vendor":"Microsoft","versions":[{"version":"10.0.22631.0","lessThan":"10.0.22631.7652","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-70243","source_modified_at":"2026-10-23T22:22:39.357Z","fetched_at":"2026-10-24T00:31:04.721601Z","product":"Windows 11 Version 23H2","vendor":"Microsoft","versions":[{"version":"10.0.22631.0","lessThan":"10.0.22631.7652","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-70243","source_modified_at":"2026-10-23T22:22:39.357Z","fetched_at":"2026-10-24T00:31:04.721601Z","product":"Windows Server 2025","vendor":"Microsoft","versions":[{"version":"10.0.26100.0","lessThan":"10.0.26100.33650","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-70243","source_modified_at":"2026-10-23T22:22:39.357Z","fetched_at":"2026-10-24T00:31:04.721601Z","product":"Windows Server 2025 (Server Core installation)","vendor":"Microsoft","versions":[{"version":"10.0.26100.0","lessThan":"10.0.26100.33650","versionType":"custom","status":"affected"}],"defaultStatus":null}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-70243","source_modified_at":"2026-10-23T22:22:39.357Z","fetched_at":"2026-10-24T00:31:04.721601Z","package":{"name":"Windows 11 version 23H2","ecosystem":null},"version":"10.0.22631.7652","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-70243","source_modified_at":"2026-10-23T22:22:39.357Z","fetched_at":"2026-10-24T00:31:04.721601Z","package":{"name":"Windows 11 Version 23H2","ecosystem":null},"version":"10.0.22631.7652","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-70243","source_modified_at":"2026-10-23T22:22:39.357Z","fetched_at":"2026-10-24T00:31:04.721601Z","package":{"name":"Windows Server 2025","ecosystem":null},"version":"10.0.26100.33650","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-70243","source_modified_at":"2026-10-23T22:22:39.357Z","fetched_at":"2026-10-24T00:31:04.721601Z","package":{"name":"Windows Server 2025 (Server Core installation)","ecosystem":null},"version":"10.0.26100.33650","basis":"first unaffected version stated in the CVE record"}],"cvss":7,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00264,"percentile":0.17304,"score_date":"2026-10-23"},"published_at":"2026-10-13T18:59:56.591Z","modified_at":"2026-10-23T22:22:39.357Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-70243","fetched_at":"2026-10-24T00:31:04.721601Z","source_modified_at":"2026-10-23T22:22:39.357Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-70243","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70243","tags":["vendor-advisory","patch"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-13T20:50:00.790633Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-23T22:22:39.357Z","content_hash":"4f0148a2764447ce8b1b9b3f75cbb59151871a5bd96a102d00f0fd0bdbe83a11"}}