{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-20531", "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "state": "PUBLISHED", "assignerShortName": "MediaTek", "dateReserved": "2025-11-03T01:30:59.034Z", "datePublished": "2026-10-05T01:40:08.206Z", "dateUpdated": "2026-10-05T01:40:08.206Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "shortName": "MediaTek", "dateUpdated": "2026-10-05T01:40:08.206Z"}, "descriptions": [{"lang": "en", "value": "In apu, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11249016; Issue ID: MSV-9169."}], "affected": [{"vendor": "MediaTek, Inc.", "product": "MediaTek chipset", "defaultStatus": "unaffected", "versions": [{"version": "MT6899", "status": "affected"}, {"version": "MT6993", "status": "affected"}, {"version": "MT8668", "status": "affected"}, {"version": "MT8781", "status": "affected"}, {"version": "MT8793", "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-416", "description": "CWE-416 Use After Free"}]}], "x_generator": {"engine": "cvelib 1.8.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "MediaTek chipset", "vendor": "MediaTek, Inc.", "versions": [{"status": "affected", "version": "MT6899"}, {"status": "affected", "version": "MT6993"}, {"status": "affected", "version": "MT8668"}, {"status": "affected", "version": "MT8781"}, {"status": "affected", "version": "MT8793"}, {"status": "affected", "version": "MT8910"}]}], "source": "security@mediatek.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In apu, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11249016; Issue ID: MSV-9169."}], "id": "CVE-2026-20531", "lastModified": "2026-10-05T02:16:51.907", "metrics": {}, "published": "2026-10-05T02:16:51.907", "references": [{"source": "security@mediatek.com", "url": "https://www.mediatek.com/product-security-bulletin/October-2026"}], "sourceIdentifier": "security@mediatek.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "security@mediatek.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6899"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6993"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8668"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8781"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8793"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8910"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "MediaTek chipset", "source": "cna", "vendor": "MediaTek, Inc."}, "product": "mediatek_chipset", "vendor": "mediatek,_inc."}], "created": "2026-10-05T04:00:12.730939+00:00", "title": "Use-After-Free Leading to Local Privilege Escalation in MediaTek Chipset", "updated": "2026-10-05T04:00:15.886677+00:00", "vendors": ["mediatek,_inc.", "mediatek,_inc.$PRODUCT$mediatek_chipset"]}