{"api_version":"1","generated_at":"2026-08-22T06:10:02+00:00","cve":"CVE-2026-20498","urls":{"html":"https://cve.report/CVE-2026-20498","api":"https://cve.report/api/cve/CVE-2026-20498.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-20498","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-20498"},"summary":{"title":"CVE-2026-20498","description":"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.","state":"PUBLISHED","assigner":"MediaTek","published_at":"2026-08-03 03:16:45","updated_at":"2026-08-19 01:05:27"},"problem_types":["CWE-1287","CWE-1287 CWE-1287 Improper Validation of Specified Type of Input"],"metrics":[{"version":"3.1","source":"ADP","type":"DECLARED","score":"6","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","data":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":6,"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"}},{"version":"3.1","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","score":"6","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","baseScore":6,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"}}],"references":[{"url":"https://www.mediatek.com/product-security-bulletin/August-2026","name":"https://www.mediatek.com/product-security-bulletin/August-2026","refsource":"security@mediatek.com","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-20498","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20498","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6991","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT8768","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT8791T","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT8792","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT8796","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT8799","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT8873","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT8883","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT8893","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT8910","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"20498","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"mediatek","cpe5":"mt6991","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"20498","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"mediatek","cpe5":"mt6991_firmware","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"20498","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"mediatek","cpe5":"mt8768","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"20498","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"mediatek","cpe5":"mt8768_firmware","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"20498","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"mediatek","cpe5":"mt8791t","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"20498","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"mediatek","cpe5":"mt8791t_firmware","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"20498","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"mediatek","cpe5":"mt8792","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"20498","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"mediatek","cpe5":"mt8792_firmware","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"20498","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"mediatek","cpe5":"mt8796","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"20498","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"mediatek","cpe5":"mt8796_firmware","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"20498","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"mediatek","cpe5":"mt8799","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"20498","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"mediatek","cpe5":"mt8799_firmware","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"20498","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"mediatek","cpe5":"mt8873","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"20498","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"mediatek","cpe5":"mt8873_firmware","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"20498","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"mediatek","cpe5":"mt8883","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"20498","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"mediatek","cpe5":"mt8883_firmware","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"20498","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"mediatek","cpe5":"mt8893","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"20498","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"mediatek","cpe5":"mt8893_firmware","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"20498","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"mediatek","cpe5":"mt8910","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"20498","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"mediatek","cpe5":"mt8910_firmware","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"20498","cve":"CVE-2026-20498","epss":"0.001130000","percentile":"0.016510000","score_date":"2026-08-19","updated_at":"2026-08-20 00:13:10"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":6,"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"}},{"other":{"content":{"id":"CVE-2026-20498","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-08-04T00:00:00+00:00","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-08-05T03:56:57.948Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"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"}]}],"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":[{"cweId":"CWE-1287","description":"CWE-1287 Improper Validation of Specified Type of Input","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-03T02:06:06.059Z","orgId":"ee979b05-11f8-4f25-a7e0-a1fa9c190374","shortName":"MediaTek"},"references":[{"url":"https://www.mediatek.com/product-security-bulletin/August-2026"}],"x_generator":{"engine":"cvelib 1.8.0"}}},"cveMetadata":{"assignerOrgId":"ee979b05-11f8-4f25-a7e0-a1fa9c190374","assignerShortName":"MediaTek","cveId":"CVE-2026-20498","datePublished":"2026-08-03T02:06:06.059Z","dateReserved":"2025-11-03T01:30:59.027Z","dateUpdated":"2026-08-05T03:56:57.948Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-03 03:16:45","lastModifiedDate":"2026-08-19 01:05:27","problem_types":["CWE-1287","CWE-1287 CWE-1287 Improper Validation of Specified Type of Input"],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","baseScore":6,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":0.8,"impactScore":5.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-04T00:00:00+00:00","id":"CVE-2026-20498","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:mediatek:mt6991_firmware:-:*:*:*:*:*:*:*","matchCriteriaId":"D9DD2119-39E8-4A9C-8E2A-8FB7F92A1001"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*","matchCriteriaId":"CBBB30DF-E963-4940-B742-F6801F68C3FC"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:mediatek:mt8768_firmware:-:*:*:*:*:*:*:*","matchCriteriaId":"303069C6-F031-4176-9465-46F4134BB423"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:mediatek:mt8768:-:*:*:*:*:*:*:*","matchCriteriaId":"1CC6E254-11A9-49CE-83FE-6DAC23E7D7AA"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:mediatek:mt8791t_firmware:-:*:*:*:*:*:*:*","matchCriteriaId":"6D15A887-AC6B-4458-8355-8505742F4FC2"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:mediatek:mt8791t:-:*:*:*:*:*:*:*","matchCriteriaId":"1BB05B1D-77C9-4E42-91AD-9F087413DC20"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:mediatek:mt8792_firmware:-:*:*:*:*:*:*:*","matchCriteriaId":"AE904A76-14A2-41D5-86FF-BCA686342E85"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:mediatek:mt8792:-:*:*:*:*:*:*:*","matchCriteriaId":"336FC69E-E89F-4642-B6B9-8009D9A2BD52"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:mediatek:mt8796_firmware:-:*:*:*:*:*:*:*","matchCriteriaId":"6DC17C8D-377F-4343-BE7E-359224912061"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:mediatek:mt8796:-:*:*:*:*:*:*:*","matchCriteriaId":"DE933AD9-3A6F-421B-8AB3-C45F8DEA9548"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:mediatek:mt8799_firmware:-:*:*:*:*:*:*:*","matchCriteriaId":"BB8ADEB7-A1A3-4781-BB65-4D2AF9896F80"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:mediatek:mt8799:-:*:*:*:*:*:*:*","matchCriteriaId":"ACB27F98-6318-44C8-A28D-375A357A03CA"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:mediatek:mt8873_firmware:-:*:*:*:*:*:*:*","matchCriteriaId":"9D40337A-B78E-41CF-ADDC-A31190950F73"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:mediatek:mt8873:-:*:*:*:*:*:*:*","matchCriteriaId":"D6DD525F-7050-42BD-829D-1121698B8009"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:mediatek:mt8883_firmware:-:*:*:*:*:*:*:*","matchCriteriaId":"C5049DE8-5F0C-4E0D-85AE-F47CECE2DCE8"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:mediatek:mt8883:-:*:*:*:*:*:*:*","matchCriteriaId":"23DD8281-FEB4-4E23-8DDA-680FF895F12E"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:mediatek:mt8893_firmware:-:*:*:*:*:*:*:*","matchCriteriaId":"8E905861-38DA-4023-9751-2CD2EDE489EF"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:mediatek:mt8893:-:*:*:*:*:*:*:*","matchCriteriaId":"CCFAADB1-C2B2-47A6-BB66-761B964E7DFB"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:mediatek:mt8910_firmware:-:*:*:*:*:*:*:*","matchCriteriaId":"A05E635E-9559-4899-A7BA-A74EB6501D1C"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:mediatek:mt8910:-:*:*:*:*:*:*:*","matchCriteriaId":"8C81BC81-1358-4005-8D35-92428D052A65"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"20498","Ordinal":"1","Title":"CVE-2026-20498","CVE":"CVE-2026-20498","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"20498","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"CVE-2026-20498"}]}}}