CVE-2026-20466 PUBLISHED

Assigner: MediaTek
Reserved: 03.11.2025 Published: 03.08.2026 Updated: 03.08.2026

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.

Product Status

Vendor MediaTek, Inc.
Product MediaTek chipset
Versions Default: unaffected
  • Version MT2737 is affected
  • Version MT6880 is affected
  • Version MT6890 is affected
  • Version MT6990 is affected

References

Problem Types

  • CWE-787 Out-of-bounds Write CWE