{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-20577","assignerOrgId":"ee979b05-11f8-4f25-a7e0-a1fa9c190374","state":"PUBLISHED","assignerShortName":"MediaTek","dateReserved":"2025-11-03T01:30:59.048Z","datePublished":"2026-11-02T02:33:52.575Z","dateUpdated":"2026-11-02T16:45:37.422Z"},"containers":{"cna":{"providerMetadata":{"orgId":"ee979b05-11f8-4f25-a7e0-a1fa9c190374","shortName":"MediaTek","dateUpdated":"2026-11-02T02:33:52.575Z"},"descriptions":[{"lang":"en","value":"In Modem, there is a possible permission bypass due to a permissions bypass. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: MOLY01880753; Issue ID: MSV-9866."}],"affected":[{"vendor":"MediaTek, Inc.","product":"MediaTek chipset","defaultStatus":"unaffected","versions":[{"version":"MT2716","status":"affected"},{"version":"MT6813","status":"affected"},{"version":"MT6815","status":"affected"},{"version":"MT6835","status":"affected"},{"version":"MT6858","status":"affected"},{"version":"MT6878","status":"affected"},{"version":"MT6881","status":"affected"},{"version":"MT6897","status":"affected"},{"version":"MT6899","status":"affected"},{"version":"MT6982","status":"affected"},{"version":"MT6986","status":"affected"},{"version":"MT6988","status":"affected"},{"version":"MT6991","status":"affected"},{"version":"MT6993","status":"affected"},{"version":"MT8668","status":"affected"},{"version":"MT8676","status":"affected"},{"version":"MT8678","status":"affected"},{"version":"MT8755","status":"affected"},{"version":"MT8775","status":"affected"},{"version":"MT8792","status":"affected"},{"version":"MT8793","status":"affected"},{"version":"MT8863","status":"affected"},{"version":"MT8873","status":"affected"},{"version":"MT8875","status":"affected"},{"version":"MT8883","status":"affected"}]}],"references":[{"url":"https://www.mediatek.com/product-security-bulletin/November-2026"}],"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","cweId":"CWE-280","description":"CWE-280 Improper Handling of Insufficient Permissions or Privileges"}]}],"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.4,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"HIGH","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-11-02T16:45:33.861461Z","id":"CVE-2026-20577","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-11-02T16:45:37.422Z"}}]}}