{"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"}}]}}