CVE-2026-20486

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-20486", "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "state": "PUBLISHED", "assignerShortName": "MediaTek", "dateReserved": "2025-11-03T01:30:59.022Z", "datePublished": "2026-08-03T02:05:51.332Z", "dateUpdated": "2026-08-05T13:36:02.525Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "shortName": "MediaTek", "dateUpdated": "2026-08-03T02:05:51.332Z"}, "descriptions": [{"lang": "en", "value": "In imgsensor, there is a possible application crash due to incorrect error handling. 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: ALPS11012302; Issue ID: MSV-7833."}], "affected": [{"vendor": "MediaTek, Inc.", "product": "MediaTek chipset", "defaultStatus": "unaffected", "versions": [{"version": "MT2718", "status": "affected"}, {"version": "MT6878", "status": "affected"}, {"version": "MT6895", "status": "affected"}, {"version": "MT6991", "status": "affected"}, {"version": "MT6993", "status": "affected"}, {"version": "MT8370", "status": "affected"}, {"version": "MT8390", "status": "affected"}, {"version": "MT8395", "status": "affected"}, {"version": "MT8678", "status": "affected"}, {"version": "MT8799", "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-754", "description": "CWE-754 Improper Check for Unusual or Exceptional Conditions"}]}], "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-08-05T03:56:56.501651Z", "id": "CVE-2026-20486", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-05T13:36:02.525Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-20486", "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "state": "PUBLISHED", "assignerShortName": "MediaTek", "dateReserved": "2025-11-03T01:30:59.022Z", "datePublished": "2026-08-03T02:05:51.332Z", "dateUpdated": "2026-08-05T13:36:02.525Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "shortName": "MediaTek", "dateUpdated": "2026-08-03T02:05:51.332Z"}, "descriptions": [{"lang": "en", "value": "In imgsensor, there is a possible application crash due to incorrect error handling. 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: ALPS11012302; Issue ID: MSV-7833."}], "affected": [{"vendor": "MediaTek, Inc.", "product": "MediaTek chipset", "defaultStatus": "unaffected", "versions": [{"version": "MT2718", "status": "affected"}, {"version": "MT6878", "status": "affected"}, {"version": "MT6895", "status": "affected"}, {"version": "MT6991", "status": "affected"}, {"version": "MT6993", "status": "affected"}, {"version": "MT8370", "status": "affected"}, {"version": "MT8390", "status": "affected"}, {"version": "MT8395", "status": "affected"}, {"version": "MT8678", "status": "affected"}, {"version": "MT8799", "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-754", "description": "CWE-754 Improper Check for Unusual or Exceptional Conditions"}]}], "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-20486", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-05T03:56:56.501651Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-03T19:45:44.643Z"}}]}}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "MediaTek chipset", "vendor": "MediaTek, Inc.", "versions": [{"status": "affected", "version": "MT2718"}, {"status": "affected", "version": "MT6878"}, {"status": "affected", "version": "MT6895"}, {"status": "affected", "version": "MT6991"}, {"status": "affected", "version": "MT6993"}, {"status": "affected", "version": "MT8370"}, {"status": "affected", "version": "MT8390"}, {"status": "affected", "version": "MT8395"}, {"status": "affected", "version": "MT8678"}, {"status": "affected", "version": "MT8799"}, {"status": "affected", "version": "MT8910"}]}], "source": "security@mediatek.com"}], "configurations": [{"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"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt2718_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "DDCA451B-219B-4490-98F3-60A569B5C513", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt2718:-:*:*:*:*:*:*:*", "matchCriteriaId": "F5506327-7DDF-4E88-9EA8-10B8E32F848B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6878_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "207954E6-D413-4762-9F4A-3A147CFB4FE2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6878:-:*:*:*:*:*:*:*", "matchCriteriaId": "855A8046-34ED-4891-ACE5-76AB10AC8D53", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6895_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "110CBA4A-26A6-4E4E-A0C6-35FA02A6D4AF", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:*", "matchCriteriaId": "E0CA45C9-7BFE-4C93-B2AF-B86501F763AB", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"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:mt6993_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "FAEB2240-FF37-4CBE-BBEF-8A8281153646", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6993:-:*:*:*:*:*:*:*", "matchCriteriaId": "57E92BE0-5E65-4770-8E1A-0E5D07A38164", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt8370_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "7619B640-32C6-435B-AABB-E3D11C3B03FE", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt8370:-:*:*:*:*:*:*:*", "matchCriteriaId": "DA2B6BB9-7544-41A7-BF3A-344AA4CC4B31", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt8390_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "9627AD8C-49C7-43C4-850E-6BC37FA2F619", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt8390:-:*:*:*:*:*:*:*", "matchCriteriaId": "B774B7D7-B7DD-43A0-833F-7E39DF82CA60", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt8395_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "6EFD0432-40B9-4121-9F13-D15645C60191", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt8395:-:*:*:*:*:*:*:*", "matchCriteriaId": "D98FBE1C-D57B-49D9-9C4E-8A133A0C1C89", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt8678_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "CFEC7A7B-6948-4B8A-BFA1-9F9D07043605", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*", "matchCriteriaId": "152A5F3D-8004-4649-BDB1-E6F0798AF1CB", "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"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In imgsensor, there is a possible application crash due to incorrect error handling. 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: ALPS11012302; Issue ID: MSV-7833."}, {"lang": "es", "value": "En imgsensor, existe un posible fallo de la aplicaci\u00f3n debido a un manejo de errores incorrecto. Esto podr\u00eda conducir a una escalada local de privilegios si un actor malicioso ya ha obtenido el privilegio de Sistema. No se necesita interacci\u00f3n del usuario para la explotaci\u00f3n. ID del parche: ALPS11012302; ID del problema: MSV-7833."}], "id": "CVE-2026-20486", "lastModified": "2026-10-23T22:10:00.160", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.7, "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:H", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-20486", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-05T03:56:56.501651Z", "version": "2.0.3"}}]}, "published": "2026-08-03T03:16:43.767", "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-754"}], "source": "security@mediatek.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT2718"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6878"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6895"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6991"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT6993"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8370"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8390"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8395"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8678"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8799"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "MT8910"}}], "enrichment": {"confidence": 92.0, "confidence_source": "matching", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 92.0, "source": "matching"}]}, "original": {"product": "MediaTek chipset", "source": "cna", "vendor": "MediaTek, Inc."}, "product": "mediatek_chipset", "vendor": "mediatek"}], "created": "2026-08-03T09:00:15.064259+00:00", "title": "Potential Local Privilege Escalation via Error\u2011Handling Crash in MediaTek imgsensor Driver", "updated": "2026-08-05T15:30:17.156133+00:00", "vendors": ["mediatek", "mediatek$PRODUCT$mediatek_chipset"]}