{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-20452","assignerOrgId":"ee979b05-11f8-4f25-a7e0-a1fa9c190374","state":"PUBLISHED","assignerShortName":"MediaTek","dateReserved":"2025-11-03T01:30:59.013Z","datePublished":"2026-06-01T03:20:08.315Z","dateUpdated":"2026-06-02T03:55:38.204Z"},"containers":{"cna":{"providerMetadata":{"orgId":"ee979b05-11f8-4f25-a7e0-a1fa9c190374","shortName":"MediaTek","dateUpdated":"2026-06-01T03:20:08.315Z"},"descriptions":[{"lang":"en","value":"In wlan AP driver, there is a possible memory corruption due to a heap buffer overflow. This could lead to remote (proximal/adjacent) code execution with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480138; Issue ID: MSV-6295."}],"affected":[{"vendor":"MediaTek, Inc.","product":"MediaTek chipset","defaultStatus":"unaffected","versions":[{"version":"MT6890","status":"affected"},{"version":"MT7615","status":"affected"},{"version":"MT7915","status":"affected"},{"version":"MT7916","status":"affected"},{"version":"MT7981","status":"affected"},{"version":"MT7986","status":"affected"},{"version":"MT7990","status":"affected"},{"version":"MT7992","status":"affected"},{"version":"MT7993","status":"affected"}]}],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/June-2026"}],"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","cweId":"CWE-122","description":"CWE-122 Heap Overflow"}]}],"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8,"attackVector":"ADJACENT_NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-06-01T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-20452"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-02T03:55:38.204Z"}}]}}