---
id: CVE-2026-20542
title: 'In apusys, there is a possible memory corruption due to use after free'
summary: >-
  In apusys, there is a possible memory corruption due to use after free. This
  could lead to local escalation of privilege if a malicious actor has already
  obtained the System privilege. User interaction is not needed for
  exploitation. Pat…
severity: none
cwe:
  - CWE-416
vendor: 'MediaTek, Inc.'
product: MediaTek chipset
affected:
  - mediatek_chipset MT2718
  - mediatek_chipset MT6878
  - mediatek_chipset MT6897
  - mediatek_chipset MT6899
  - mediatek_chipset MT6989
  - mediatek_chipset MT6991
  - mediatek_chipset MT8171
  - mediatek_chipset MT8188
  - mediatek_chipset MT8189
  - mediatek_chipset MT8196
  - mediatek_chipset MT8370
  - mediatek_chipset MT8371
  - mediatek_chipset MT8390
  - mediatek_chipset MT8391
  - mediatek_chipset MT8395
  - mediatek_chipset MT8678
  - mediatek_chipset MT8792
  - mediatek_chipset MT8793
  - mediatek_chipset MT8796
published: '2026-10-05'
updated: '2026-10-05'
sourceUpdated: '2026-10-05T02:16:53.270'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-20542'
references:
  - url: 'https://www.mediatek.com/product-security-bulletin/October-2026'
    label: security@mediatek.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-05T02:10:36.189Z'
---

## Overview

In apusys, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11076799; Issue ID: MSV-8143.

## Remediation

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