{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-20498", "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "state": "PUBLISHED", "assignerShortName": "MediaTek", "dateReserved": "2025-11-03T01:30:59.027Z", "datePublished": "2026-08-03T02:06:06.059Z", "dateUpdated": "2026-08-05T03:56:57.948Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "shortName": "MediaTek", "dateUpdated": "2026-08-03T02:06:06.059Z"}, "descriptions": [{"lang": "en", "value": "In geniezone, there is a possible escalation of privilege due to a missing permission check. 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: ALPS10900493; Issue ID: MSV-6765."}], "affected": [{"vendor": "MediaTek, Inc.", "product": "MediaTek chipset", "defaultStatus": "unaffected", "versions": [{"version": "MT6991", "status": "affected"}, {"version": "MT8768", "status": "affected"}, {"version": "MT8791T", "status": "affected"}, {"version": "MT8792", "status": "affected"}, {"version": "MT8796", "status": "affected"}, {"version": "MT8799", "status": "affected"}, {"version": "MT8873", "status": "affected"}, {"version": "MT8883", "status": "affected"}, {"version": "MT8893", "status": "affected"}, {"version": "MT8910", "status": "affected"}]}], "references": [{"url": "https://www.mediatek.com/product-security-bulletin/August-2026"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "cweId": "CWE-1287", "description": "CWE-1287 Improper Validation of Specified Type of Input"}]}], "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-08-04T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-20498"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-05T03:56:57.948Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-20498", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-03T19:47:25.293199Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-03T19:47:38.949Z"}}], "cna": {"affected": [{"vendor": "MediaTek, Inc.", "product": "MediaTek chipset", "versions": [{"status": "affected", "version": "MT6991"}, {"status": "affected", "version": "MT8768"}, {"status": "affected", "version": "MT8791T"}, {"status": "affected", "version": "MT8792"}, {"status": "affected", "version": "MT8796"}, {"status": "affected", "version": "MT8799"}, {"status": "affected", "version": "MT8873"}, {"status": "affected", "version": "MT8883"}, {"status": "affected", "version": "MT8893"}, {"status": "affected", "version": "MT8910"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.mediatek.com/product-security-bulletin/August-2026"}], "x_generator": {"engine": "cvelib 1.8.0"}, "descriptions": [{"lang": "en", "value": "In geniezone, there is a possible escalation of privilege due to a missing permission check. 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: ALPS10900493; Issue ID: MSV-6765."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1287", "description": "CWE-1287 Improper Validation of Specified Type of Input"}]}], "providerMetadata": {"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "shortName": "MediaTek", "dateUpdated": "2026-08-03T02:06:06.059Z"}}}, "cveMetadata": {"cveId": "CVE-2026-20498", "state": "PUBLISHED", "dateUpdated": "2026-08-05T03:56:57.948Z", "dateReserved": "2025-11-03T01:30:59.027Z", "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "datePublished": "2026-08-03T02:06:06.059Z", "assignerShortName": "MediaTek"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "MediaTek chipset", "vendor": "MediaTek, Inc.", "versions": [{"status": "affected", "version": "MT6991"}, {"status": "affected", "version": "MT8768"}, {"status": "affected", "version": "MT8791T"}, {"status": "affected", "version": "MT8792"}, {"status": "affected", "version": "MT8796"}, {"status": "affected", "version": "MT8799"}, {"status": "affected", "version": "MT8873"}, {"status": "affected", "version": "MT8883"}, {"status": "affected", "version": "MT8893"}, {"status": "affected", "version": "MT8910"}]}], "source": "security@mediatek.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6991_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "D9DD2119-39E8-4A9C-8E2A-8FB7F92A1001", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*", "matchCriteriaId": "CBBB30DF-E963-4940-B742-F6801F68C3FC", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt8768_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "303069C6-F031-4176-9465-46F4134BB423", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt8768:-:*:*:*:*:*:*:*", "matchCriteriaId": "1CC6E254-11A9-49CE-83FE-6DAC23E7D7AA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt8791t_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "6D15A887-AC6B-4458-8355-8505742F4FC2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt8791t:-:*:*:*:*:*:*:*", "matchCriteriaId": "1BB05B1D-77C9-4E42-91AD-9F087413DC20", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt8792_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "AE904A76-14A2-41D5-86FF-BCA686342E85", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt8792:-:*:*:*:*:*:*:*", "matchCriteriaId": "336FC69E-E89F-4642-B6B9-8009D9A2BD52", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt8796_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "6DC17C8D-377F-4343-BE7E-359224912061", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt8796:-:*:*:*:*:*:*:*", "matchCriteriaId": "DE933AD9-3A6F-421B-8AB3-C45F8DEA9548", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt8799_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "BB8ADEB7-A1A3-4781-BB65-4D2AF9896F80", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt8799:-:*:*:*:*:*:*:*", "matchCriteriaId": "ACB27F98-6318-44C8-A28D-375A357A03CA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt8873_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "9D40337A-B78E-41CF-ADDC-A31190950F73", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt8873:-:*:*:*:*:*:*:*", "matchCriteriaId": "D6DD525F-7050-42BD-829D-1121698B8009", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt8883_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "C5049DE8-5F0C-4E0D-85AE-F47CECE2DCE8", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt8883:-:*:*:*:*:*:*:*", "matchCriteriaId": "23DD8281-FEB4-4E23-8DDA-680FF895F12E", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt8893_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "8E905861-38DA-4023-9751-2CD2EDE489EF", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt8893:-:*:*:*:*:*:*:*", "matchCriteriaId": "CCFAADB1-C2B2-47A6-BB66-761B964E7DFB", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt8910_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "A05E635E-9559-4899-A7BA-A74EB6501D1C", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt8910:-:*:*:*:*:*:*:*", "matchCriteriaId": "8C81BC81-1358-4005-8D35-92428D052A65", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In geniezone, there is a possible escalation of privilege due to a missing permission check. 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: ALPS10900493; Issue ID: MSV-6765."}], "id": "CVE-2026-20498", "lastModified": "2026-08-19T01:05:27.590", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-20498", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-04T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-08-03T03:16:45.000", "references": [{"source": "security@mediatek.com", "tags": ["Vendor Advisory"], "url": "https://www.mediatek.com/product-security-bulletin/August-2026"}], "sourceIdentifier": "security@mediatek.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1287"}], "source": "security@mediatek.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6991"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8768"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8791T"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8792"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8796"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8799"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8873"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8883"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8893"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8910"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "MediaTek chipset", "source": "cna", "vendor": "MediaTek, Inc."}, "product": "mediatek_chipset", "vendor": "mediatek,_inc."}], "created": "2026-08-03T04:00:11.735548+00:00", "title": "Privilege Escalation in MediaTek geniezone", "updated": "2026-08-04T11:00:07.567606+00:00", "vendors": ["mediatek,_inc.", "mediatek,_inc.$PRODUCT$mediatek_chipset"]}