{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-20529","assignerOrgId":"ee979b05-11f8-4f25-a7e0-a1fa9c190374","state":"PUBLISHED","assignerShortName":"MediaTek","dateReserved":"2025-11-03T01:30:59.034Z","datePublished":"2026-10-05T01:40:05.493Z","dateUpdated":"2026-10-06T03:55:46.657Z"},"containers":{"cna":{"providerMetadata":{"orgId":"ee979b05-11f8-4f25-a7e0-a1fa9c190374","shortName":"MediaTek","dateUpdated":"2026-10-05T01:40:05.493Z"},"descriptions":[{"lang":"en","value":"In battery, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11276677; Issue ID: MSV-9217."}],"affected":[{"vendor":"MediaTek, Inc.","product":"MediaTek chipset","defaultStatus":"unaffected","versions":[{"version":"MT6761","status":"affected"},{"version":"MT6765","status":"affected"},{"version":"MT6768","status":"affected"},{"version":"MT6781","status":"affected"},{"version":"MT6853","status":"affected"},{"version":"MT6858","status":"affected"},{"version":"MT6881","status":"affected"},{"version":"MT6893","status":"affected"},{"version":"MT6989","status":"affected"},{"version":"MT6991","status":"affected"},{"version":"MT6993","status":"affected"},{"version":"MT8171","status":"affected"},{"version":"MT8186","status":"affected"},{"version":"MT8188","status":"affected"},{"version":"MT8189","status":"affected"},{"version":"MT8196","status":"affected"},{"version":"MT8766","status":"affected"},{"version":"MT8768","status":"affected"},{"version":"MT8775","status":"affected"},{"version":"MT8781","status":"affected"},{"version":"MT8788E","status":"affected"},{"version":"MT8791T","status":"affected"},{"version":"MT8792","status":"affected"},{"version":"MT8796","status":"affected"},{"version":"MT8799","status":"affected"},{"version":"MT8883","status":"affected"},{"version":"MT8893","status":"affected"},{"version":"MT8910","status":"affected"}]}],"references":[{"url":"https://www.mediatek.com/product-security-bulletin/October-2026"}],"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write"}]}],"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.7,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"HIGH","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-05T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-20529"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-06T03:55:46.657Z"}}]}}