{"api_version":"1","generated_at":"2026-07-04T09:33:54+00:00","cve":"CVE-2026-20462","urls":{"html":"https://cve.report/CVE-2026-20462","api":"https://cve.report/api/cve/CVE-2026-20462.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-20462","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-20462"},"summary":{"title":"CVE-2026-20462","description":"In Telephony, there is a possible memory corruption due to a heap buffer overflow. 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: ALPS11006447; Issue ID: MSV-7871.","state":"PUBLISHED","assigner":"MediaTek","published_at":"2026-07-01 04:17:15","updated_at":"2026-07-02 05:16:40"},"problem_types":["CWE-122","CWE-122 CWE-122 Heap Overflow"],"metrics":[{"version":"3.1","source":"ADP","type":"DECLARED","score":"6.7","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","data":{"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"}},{"version":"3.1","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","score":"6.7","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":6.7,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/July-2026","name":"https://corp.mediatek.com/product-security-bulletin/July-2026","refsource":"security@mediatek.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-20462","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20462","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6739","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6761","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6765","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6768","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6781","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6789","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6833","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6853","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6855","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6877","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6883","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6885","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6889","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT6893","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT8695","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT8696","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT8765","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT8766","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT8766R","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT8768","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT8781","platforms":[]},{"source":"CNA","vendor":"MediaTek, Inc.","product":"MediaTek chipset","version":"affected MT8791","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"20462","cve":"CVE-2026-20462","epss":"0.001110000","percentile":"0.015790000","score_date":"2026-07-03","updated_at":"2026-07-04 00:02:18"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"cvssV3_1":{"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"}},{"other":{"content":{"id":"CVE-2026-20462","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-07-01T00:00:00+00:00","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-07-02T03:55:17.558Z","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":"MT6739"},{"status":"affected","version":"MT6761"},{"status":"affected","version":"MT6765"},{"status":"affected","version":"MT6768"},{"status":"affected","version":"MT6781"},{"status":"affected","version":"MT6789"},{"status":"affected","version":"MT6833"},{"status":"affected","version":"MT6853"},{"status":"affected","version":"MT6855"},{"status":"affected","version":"MT6877"},{"status":"affected","version":"MT6883"},{"status":"affected","version":"MT6885"},{"status":"affected","version":"MT6889"},{"status":"affected","version":"MT6893"},{"status":"affected","version":"MT8695"},{"status":"affected","version":"MT8696"},{"status":"affected","version":"MT8765"},{"status":"affected","version":"MT8766"},{"status":"affected","version":"MT8766R"},{"status":"affected","version":"MT8768"},{"status":"affected","version":"MT8781"},{"status":"affected","version":"MT8791"}]}],"descriptions":[{"lang":"en","value":"In Telephony, there is a possible memory corruption due to a heap buffer overflow. 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: ALPS11006447; Issue ID: MSV-7871."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","description":"CWE-122 Heap Overflow","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-07-01T03:14:04.991Z","orgId":"ee979b05-11f8-4f25-a7e0-a1fa9c190374","shortName":"MediaTek"},"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/July-2026"}],"x_generator":{"engine":"cvelib 1.8.0"}}},"cveMetadata":{"assignerOrgId":"ee979b05-11f8-4f25-a7e0-a1fa9c190374","assignerShortName":"MediaTek","cveId":"CVE-2026-20462","datePublished":"2026-07-01T03:14:04.991Z","dateReserved":"2025-11-03T01:30:59.014Z","dateUpdated":"2026-07-02T03:55:17.558Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-01 04:17:15","lastModifiedDate":"2026-07-02 05:16:40","problem_types":["CWE-122","CWE-122 CWE-122 Heap Overflow"],"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:H","baseScore":6.7,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":0.8,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-01T00:00:00+00:00","id":"CVE-2026-20462","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"20462","Ordinal":"1","Title":"CVE-2026-20462","CVE":"CVE-2026-20462","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"20462","Ordinal":"1","NoteData":"In Telephony, there is a possible memory corruption due to a heap buffer overflow. 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: ALPS11006447; Issue ID: MSV-7871.","Type":"Description","Title":"CVE-2026-20462"}]}}}