{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-20582", "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "state": "PUBLISHED", "assignerShortName": "MediaTek", "dateReserved": "2025-11-03T01:30:59.049Z", "datePublished": "2026-11-02T02:33:58.733Z", "dateUpdated": "2026-11-02T02:33:58.733Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "shortName": "MediaTek", "dateUpdated": "2026-11-02T02:33:58.733Z"}, "descriptions": [{"lang": "en", "value": "In usb, there is a possible memory corruption due to double free. 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: ALPS11411924; Issue ID: MSV-9748."}], "affected": [{"vendor": "MediaTek, Inc.", "product": "MediaTek chipset", "defaultStatus": "unaffected", "versions": [{"version": "MT6993", "status": "affected"}, {"version": "MT8188", "status": "affected"}, {"version": "MT8189", "status": "affected"}, {"version": "MT8518S", "status": "affected"}, {"version": "MT8532", "status": "affected"}, {"version": "MT8668", "status": "affected"}]}], "references": [{"url": "https://www.mediatek.com/product-security-bulletin/November-2026"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "cweId": "CWE-415", "description": "CWE-415 Double Free"}]}], "x_generator": {"engine": "cvelib 1.8.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "MediaTek chipset", "vendor": "MediaTek, Inc.", "versions": [{"status": "affected", "version": "MT6993"}, {"status": "affected", "version": "MT8188"}, {"status": "affected", "version": "MT8189"}, {"status": "affected", "version": "MT8518S"}, {"status": "affected", "version": "MT8532"}, {"status": "affected", "version": "MT8668"}]}], "source": "security@mediatek.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In usb, there is a possible memory corruption due to double free. 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: ALPS11411924; Issue ID: MSV-9748."}], "id": "CVE-2026-20582", "lastModified": "2026-11-02T03:17:35.913", "metrics": {}, "published": "2026-11-02T03:17:35.913", "references": [{"source": "security@mediatek.com", "url": "https://www.mediatek.com/product-security-bulletin/November-2026"}], "sourceIdentifier": "security@mediatek.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "security@mediatek.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6993"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8188"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8189"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8518S"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8532"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8668"}}], "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"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6993"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8188"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8189"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8518S"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8532"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8668"}}], "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": "2026-11-02T04:15:14.766861+00:00", "title": "Double Free in MediaTek USB Driver Allows Local Privilege Escalation", "updated": "2026-11-02T11:15:13.941773+00:00", "vendors": ["mediatek", "mediatek$PRODUCT$mediatek_chipset", "mediatek,_inc.", "mediatek,_inc.$PRODUCT$mediatek_chipset"]}