{"id":"CVE-2026-20542","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-20542","generatedAt":"2026-10-28T09:27:50.352Z","title":"In apusys, there is a possible memory corruption due to use after free.","description":"In apusys, there is a possible memory corruption due to use after free. 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: ALPS11076799; Issue ID: MSV-8143.","published":"2026-10-05T02:16:53.000Z","lastModified":"2026-10-09T17:37:30.000Z","status":"Analyzed","sourceIdentifier":"security@mediatek.com","cvss":{"version":"3.1","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"},"cwe":["CWE-416"],"affected":["mediatek/mt2718 firmware","mediatek/mt6878 firmware","mediatek/mt6897 firmware","mediatek/mt6899 firmware","mediatek/mt6989 firmware","mediatek/mt6991 firmware","mediatek/mt8171 firmware","mediatek/mt8188 firmware","mediatek/mt8189 firmware","mediatek/mt8196 firmware","mediatek/mt8370 firmware","mediatek/mt8371 firmware","mediatek/mt8390 firmware","mediatek/mt8391 firmware","mediatek/mt8395 firmware","mediatek/mt8678 firmware","mediatek/mt8792 firmware","mediatek/mt8793 firmware","mediatek/mt8796 firmware"],"epss":{"score":0.00114,"percentile":0.01458,"date":"2026-10-27","history":[{"date":"2026-10-05","score":0.00109,"percentile":0.01124}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.11%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-05T12:15:08.000Z","detail":{"from":null,"score":"6.7","severity":"MEDIUM","fromSeverity":null},"summary":"Now scored CVSS 6.7 MEDIUM."},{"kind":"new","label":"New CVE","at":"2026-10-05T02:16:53.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-10-05T02:16:53.270Z"},"summary":"New CVE, medium severity (CVSS 6.7)."}],"references":[{"url":"https://www.mediatek.com/product-security-bulletin/October-2026","tags":["Vendor Advisory"],"source":"security@mediatek.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-20542","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}