{"schema":"threatline.record/2","record":{"id":"CVE-2026-20521","aliases":[],"summary":"In Video HAL, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interacti","details":"In Video HAL, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11375674; Issue ID: MSV-9571.","categories":["Unclassified"],"product":"MediaTek chipset","vendor":"MediaTek, Inc.","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-20521","source_modified_at":"2026-10-06T03:55:51.635Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"MediaTek chipset","vendor":"MediaTek, Inc.","versions":[{"version":"MT2718","status":"affected"},{"version":"MT6768","status":"affected"},{"version":"MT6769","status":"affected"},{"version":"MT6781","status":"affected"},{"version":"MT6789","status":"affected"},{"version":"MT6833","status":"affected"},{"version":"MT6835","status":"affected"},{"version":"MT6853","status":"affected"},{"version":"MT6855","status":"affected"},{"version":"MT6858","status":"affected"},{"version":"MT6877","status":"affected"},{"version":"MT6878","status":"affected"},{"version":"MT6879","status":"affected"},{"version":"MT6881","status":"affected"},{"version":"MT6883","status":"affected"},{"version":"MT6885","status":"affected"},{"version":"MT6886","status":"affected"},{"version":"MT6889","status":"affected"},{"version":"MT6893","status":"affected"},{"version":"MT6895","status":"affected"},{"version":"MT6897","status":"affected"},{"version":"MT6899","status":"affected"},{"version":"MT6983","status":"affected"},{"version":"MT6985","status":"affected"},{"version":"MT6989","status":"affected"},{"version":"MT6991","status":"affected"},{"version":"MT6993","status":"affected"},{"version":"MT8126","status":"affected"},{"version":"MT8171","status":"affected"},{"version":"MT8186","status":"affected"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":8.4,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00134,"percentile":0.02668,"score_date":"2026-10-23"},"published_at":"2026-10-05T01:39:48.809Z","modified_at":"2026-10-06T03:55:51.635Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-20521","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-06T03:55:51.635Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-20521","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://www.mediatek.com/product-security-bulletin/October-2026"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-05T00:00:00+00:00"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-06T03:55:51.635Z","content_hash":"3aba9ad120e695fb559c8bfbfeef2f9b76f4af9878cb8f9e37a918e212ed617a"}}