{"schema":"threatline.record/2","record":{"id":"CVE-2026-65396","aliases":[],"summary":"A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system terminat","details":"A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.","categories":["Operating systems"],"product":"macOS","vendor":"Apple","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-65396","source_modified_at":"2026-10-20T14:09:10.025Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"macOS","vendor":"Apple","versions":[{"version":"0","status":"affected","lessThan":"15.8","versionType":"custom"},{"version":"0","status":"affected","lessThan":"26.7","versionType":"custom"},{"version":"0","status":"affected","lessThan":"27","versionType":"custom"}],"defaultStatus":null}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-65396","source_modified_at":"2026-10-20T14:09:10.025Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"macOS","ecosystem":null},"version":"15.8","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-65396","source_modified_at":"2026-10-20T14:09:10.025Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"macOS","ecosystem":null},"version":"26.7","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-65396","source_modified_at":"2026-10-20T14:09:10.025Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"macOS","ecosystem":null},"version":"27","basis":"first unaffected version stated in the CVE record"}],"cvss":5.5,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00168,"percentile":0.05851,"score_date":"2026-10-23"},"published_at":"2026-10-20T00:50:23.850Z","modified_at":"2026-10-20T14:09:10.025Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-65396","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-20T14:09:10.025Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-65396","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://support.apple.com/en-us/149035"},{"source":"CVE List","url":"https://support.apple.com/en-us/149042"},{"source":"CVE List","url":"https://support.apple.com/en-us/149043"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-20T14:09:06.858948Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-20T14:09:10.025Z","content_hash":"7d6aabfa1320823ce7f5b2fd67177b37158d96da75be46f2208bc0912ade59f4"}}