{"id":"CVE-2026-20464","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-20464","generatedAt":"2026-10-28T02:22:51.083Z","title":"In hevc decoder, there is a possible out of bounds write due to an integer overflow.","description":"In hevc decoder, there is a possible out of bounds write due to an integer overflow. This could lead to remote escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11104718; Issue ID: MSV-8297.","published":"2026-08-03T03:16:40.000Z","lastModified":"2026-10-23T22:10:00.000Z","status":"Deferred","sourceIdentifier":"security@mediatek.com","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N"},"cwe":["CWE-787"],"affected":[],"epss":{"score":0.00497,"percentile":0.42368,"date":"2026-10-26","history":[]},"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 (0.50%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.mediatek.com/product-security-bulletin/August-2026","source":"security@mediatek.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-20464","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."}