{"id":"CVE-2026-20469","aliases":[],"cve":{"records":[{"id":"CVE-2026-20469","source":"MediaTek","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2025-11-03T01:30:59.015Z","published":"2026-08-03T02:05:21.618Z","modified":"2026-11-02T17:14:50.080Z"}],"publishers":[{"name":"MediaTek","role":"CNA","organizationId":"ee979b05-11f8-4f25-a7e0-a1fa9c190374","modified":"2026-10-30T02:44:52.063Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-11-02T17:14:50.080Z"}],"references":[{"url":"https://www.mediatek.com/product-security-bulletin/August-2026","tags":[],"source":"MediaTek"}],"weaknesses":[{"id":"CWE-123","description":"CWE-123 Write-what-where Condition","source":"MediaTek"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-08-05T03:56:43.752076Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"In trusted_mem, there is a possible escalation of privilege due to improper input validation.","titleSource":"MediaTek","descriptionSource":"MediaTek","description":"In trusted_mem, there is a possible escalation of privilege due to improper input validation. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is needed for exploitation. Patch ID: AUTO00834868; Issue ID: MSV-6533.","score":5.8,"severity":"medium","published":"2026-08-03T02:05:21.618Z","modified":"2026-11-02T17:14:50.080Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"MediaTek, Inc.","name":"MediaTek chipset","platforms":[],"versions":[{"version":"MT8188","status":"affected"},{"version":"MT8365","status":"affected"},{"version":"MT8370","status":"affected"},{"version":"MT8371","status":"affected"},{"version":"MT8390","status":"affected"},{"version":"MT8391","status":"affected"},{"version":"MT8395","status":"affected"}],"defaultStatus":"unaffected","cpes":[],"source":"MediaTek","url":"https://www.cve.org/CVERecord?id=CVE-2026-20469"}],"remediation":[],"references":["https://www.mediatek.com/product-security-bulletin/August-2026"],"sources":[{"name":"CVE","id":"CVE-2026-20469","modified":"2026-11-02T17:14:50.080Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-20469"}],"assessments":[{"source":"CISA-ADP","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N","score":5.8}],"sourceAffected":[],"observedAt":"2026-11-02T17:28:16.370Z","kev":{"status":"not-listed","checkedAt":"2026-11-05T09:05:32.829Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-30T06:40:35.849Z","attemptedAt":"2026-10-30T06:40:35.849Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-30T06:40:36.921Z","attemptedAt":"2026-10-30T06:40:36.921Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-30T06:40:36.971Z","attemptedAt":"2026-10-30T06:40:36.971Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-30T06:40:35.904Z","attemptedAt":"2026-10-30T06:40:35.904Z"}],"evidence":[{"source":"NVD","id":"CVE-2026-20469","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20469","modified":"2026-10-30T03:16:38.750","score":6,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","checkedAt":"2026-10-30T06:40:35.849Z"},{"source":"FIRST EPSS","id":"CVE-2026-20469","url":"https://www.first.org/epss/","probability":0.00158,"percentile":0.04938,"date":"2026-10-29","checkedAt":"2026-10-30T06:40:35.904Z"},{"source":"GitHub Advisory Database","id":"GHSA-97c8-m5xh-6cgp","url":"https://github.com/advisories/GHSA-97c8-m5xh-6cgp","modified":"2026-08-03T21:31:33Z","score":6,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","checkedAt":"2026-10-30T06:40:36.921Z"},{"source":"ENISA EUVD","id":"EUVD-2026-52059","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-52059","modified":"Oct 30, 2026, 2:44:52 AM","score":6,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","checkedAt":"2026-10-30T06:40:36.971Z"}],"aiSummary":{"text":"MediaTek chipset versions MT8188, MT8365, MT8370, MT8371, MT8390, MT8391, and MT8395 have a possible escalation of privilege due to improper input validation in trusted_mem, potentially leading to local escalation of privilege with System privilege and user interaction.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:17:27.805Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-20469"}]}}