---
id: CVE-2026-20471
title: 'In DA, there is a possible out of bounds write due to a missing bounds check'
summary: >-
  In DA, there is a possible out of bounds write due to a missing bounds check.
  This could lead to local denial of service, if an attacker has physical access
  to the device, with no additional execution privileges needed. User
  interaction …
severity: none
cwe:
  - CWE-787
published: '2026-08-03'
updated: '2026-08-03'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-20471'
references:
  - url: 'https://www.mediatek.com/product-security-bulletin/August-2026'
    label: security@mediatek.com
tags:
  - nvd
ingestedAt: '2026-08-03T06:23:47.292Z'
epss: 0.00227
epssPercentile: 0.12063
---

## Overview

In DA, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10991588 (Note: For MT6880, MT6890, MT6990, MT6988, MT6986, MT6813) / AUTO00851171 (Note: For MT2735, MT2737); Issue ID: MSV-7790.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.