{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-20558", "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "state": "PUBLISHED", "assignerShortName": "MediaTek", "dateReserved": "2025-11-03T01:30:59.044Z", "datePublished": "2026-11-02T02:33:19.620Z", "dateUpdated": "2026-11-02T02:33:19.620Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "shortName": "MediaTek", "dateUpdated": "2026-11-02T02:33:19.620Z"}, "descriptions": [{"lang": "en", "value": "In GPU pdma, there is a possible escalation of privilege 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: ALPS11365070; Issue ID: MSV-9547."}], "affected": [{"vendor": "MediaTek, Inc.", "product": "MediaTek chipset", "defaultStatus": "unaffected", "versions": [{"version": "MT6993", "status": "affected"}, {"version": "MT8910", "status": "affected"}]}], "references": [{"url": "https://www.mediatek.com/product-security-bulletin/November-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": "MT6993"}, {"status": "affected", "version": "MT8910"}]}], "source": "security@mediatek.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In GPU pdma, there is a possible escalation of privilege 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: ALPS11365070; Issue ID: MSV-9547."}], "id": "CVE-2026-20558", "lastModified": "2026-11-02T03:17:32.947", "metrics": {}, "published": "2026-11-02T03:17:32.947", "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-416"}], "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": "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"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6993"}}, {"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": "2026-11-02T03:30:06.191647+00:00", "title": "Local Privilege Escalation via Use\u2011After\u2011Free in MediaTek GPU pdma", "updated": "2026-11-02T10:45:13.936522+00:00", "vendors": ["mediatek", "mediatek$PRODUCT$mediatek_chipset", "mediatek,_inc.", "mediatek,_inc.$PRODUCT$mediatek_chipset"]}