CVE-2026-20446: MediaTek MT6813 Firmware

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

In sec boot, there is a possible out of bounds write due to an integer overflow. This could lead to local denial of service, if an attacker has physical access to the device, with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS09963054; Issue ID: MSV-3899.

Affected products

• MediaTek MT6813 Firmware: affected versions not specified

Published 2026-04-07. Last modified 2026-06-17.