CVE-2026-20446: Integer Overflow

Published Apr 7, 2026
·
Updated

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 Software

2 affected components
All of the following
MediaTek Mt6813 Firmware
MediaTek Mt6813

Event History

Apr 7, 2026
CVE Published
via MITRE·03:25 AM
Data Sourced
via MITRE·03:25 AM
DescriptionWeakness
Data Sourced
via NVD·04:17 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-20446?

CVE-2026-20446 is considered a medium severity vulnerability that can lead to local denial of service.

2

How do I fix CVE-2026-20446?

To fix CVE-2026-20446, apply the patch identified by Patch ID ALPS09963054.

3

What causes CVE-2026-20446?

CVE-2026-20446 is caused by an integer overflow leading to a possible out of bounds write in the secure boot process.

4

Who is affected by CVE-2026-20446?

CVE-2026-20446 affects devices that utilize MediaTek Mt6813 firmware.

5

Can CVE-2026-20446 be exploited remotely?

CVE-2026-20446 cannot be exploited remotely as it requires local access and user execution privileges.

Contact

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