Main Vulnerability Database Vulnerabilities #VU123466

Out-of-bounds write in MediaTek products - CVE-2026-20416

Published: March 3, 2026

Vulnerability identifier: #VU123466

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2026-20416

CWE-ID: CWE-787

Exploitation vector: Local access

Exploit availability: No public exploit available

Vendor: MediaTek

Affected software:
MT6991
MT6993
MT8188
MT8678

Detailed vulnerability description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to a missing bounds check . A local application can perform service disruption.

Install security update from vendor's website.