AI and data stack advisories

Severe, 6 weeks1498Projects326

1498 severe, 6 weeks · 326 projects

MediaTekCVE-2026-20478

MediaTek chipset: out-of-bounds write

MediaTek

CVE-2026-20478 · Published Aug 3, 2026 · updated Aug 20, 2026

Medium5.5
No fix yet
MediaTek advisory

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: ALPS10981454 (Note: For MT6880, MT6890, MT6988, MT6990) / AUTO00851293 (Note: For MT2735, MT2737); Issue ID: MSV-7638.

Affected versions

PackageAffectedFixed in
MediaTek chipset
Product
<= MT2735No fix yet
<= MT2737No fix yet
<= MT6880No fix yet
<= MT6890No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Severity from
CISA (its enrichment of the CVE record)
Weakness
CWE-787

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