Skip to content
OpenAdvisories
Medium · 6.1 CVE-2026-20466 EUVD-2026-52056GHSA-4fw3-96wh-rv55

In sec boot, there is a possible escalation of privilege due to a heap buffer overflow. This could lead to local escalation of privilege, i…

Published Aug 3, 2026 · Updated Aug 3, 2026 · Assigned by MediaTek

Description

In sec boot, there is a possible escalation of privilege due to a heap buffer overflow. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: AUTO00845351 (Note: For MT2737) / ALPS11072643 (Note: For MT6880, MT6890, MT6990); Issue ID: MSV-6929.

Affected products

VendorProductAffectedFixed
MediaTek MediaTek chipset MT2737, MT6880, MT6890, MT6990 —

References