{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-20454", "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "state": "PUBLISHED", "assignerShortName": "MediaTek", "dateReserved": "2025-11-03T01:30:59.014Z", "datePublished": "2026-06-01T03:20:11.445Z", "dateUpdated": "2026-06-01T03:20:11.445Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "shortName": "MediaTek", "dateUpdated": "2026-06-01T03:20:11.445Z"}, "descriptions": [{"lang": "en", "value": "In geniezone, there is a possible out of bounds write due to a race condition. 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: ALPS10873936; Issue ID: MSV-6786."}], "affected": [{"vendor": "MediaTek, Inc.", "product": "MediaTek chipset", "defaultStatus": "unaffected", "versions": [{"version": "MT6739", "status": "affected"}, {"version": "MT6761", "status": "affected"}, {"version": "MT6765", "status": "affected"}, {"version": "MT6768", "status": "affected"}, {"version": "MT6781", "status": "affected"}, {"version": "MT6789", "status": "affected"}, {"version": "MT6835", "status": "affected"}, {"version": "MT6853", "status": "affected"}, {"version": "MT6855", "status": "affected"}, {"version": "MT6877", "status": "affected"}, {"version": "MT6878", "status": "affected"}, {"version": "MT6879", "status": "affected"}, {"version": "MT6883", "status": "affected"}, {"version": "MT6885", "status": "affected"}, {"version": "MT6886", "status": "affected"}, {"version": "MT6889", "status": "affected"}, {"version": "MT6893", "status": "affected"}, {"version": "MT6895", "status": "affected"}, {"version": "MT6897", "status": "affected"}, {"version": "MT6899", "status": "affected"}, {"version": "MT6983", "status": "affected"}, {"version": "MT6985", "status": "affected"}, {"version": "MT6989", "status": "affected"}, {"version": "MT6991", "status": "affected"}, {"version": "MT8673", "status": "affected"}, {"version": "MT8765", "status": "affected"}, {"version": "MT8766", "status": "affected"}, {"version": "MT8768", "status": "affected"}, {"version": "MT8781", "status": "affected"}, {"version": "MT8786", "status": "affected"}, {"version": "MT8788", "status": "affected"}, {"version": "MT8791T", "status": "affected"}, {"version": "MT8793", "status": "affected"}, {"version": "MT8797", "status": "affected"}, {"version": "MT8798", "status": "affected"}, {"version": "MT8910", "status": "affected"}]}], "references": [{"url": "https://corp.mediatek.com/product-security-bulletin/June-2026"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "cweId": "CWE-367", "description": "CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition"}]}], "x_generator": {"engine": "cvelib 1.8.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In geniezone, there is a possible out of bounds write due to a race condition. 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: ALPS10873936; Issue ID: MSV-6786."}], "id": "CVE-2026-20454", "lastModified": "2026-06-01T04:16:22.033", "metrics": {}, "published": "2026-06-01T04:16:22.033", "references": [{"source": "security@mediatek.com", "url": "https://corp.mediatek.com/product-security-bulletin/June-2026"}], "sourceIdentifier": "security@mediatek.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-367"}], "source": "security@mediatek.com", "type": "Primary"}]}

{}

{"created": "2026-06-01T05:30:20.998595+00:00", "title": "Local Privilege Escalation Through Race Condition in MediaTek Geniezone", "updated": "2026-06-01T05:30:20.998605+00:00", "vendors": []}