{"id":"CVE-2026-20478","title":"In Audio HAL, there is a possible out of bounds write due to a heap buffer overflow","summary":"In Audio HAL, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS1098145…","severity":"none","cwe":["CWE-787"],"published":"2026-08-03","updated":"2026-08-03","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-20478","references":[{"url":"https://www.mediatek.com/product-security-bulletin/August-2026","label":"security@mediatek.com"}],"tags":["nvd"],"ingestedAt":"2026-08-03T06:23:47.494Z","epss":0.00103,"epssPercentile":0.01127,"slug":"CVE-2026-20478","body":"## Overview\n\nIn Audio HAL, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10981454 (Note: For MT6880, MT6890, MT6988, MT6990) / AUTO00851293 (Note: For MT2735, MT2737); Issue ID: MSV-7638.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}