---
id: CVE-2026-20589
title: 'In venc, there is a possible out of bounds write due to type confusion'
summary: >-
  In venc, there is a possible out of bounds write due to type confusion. 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-787
vendor: 'MediaTek, Inc.'
product: MediaTek chipset
affected:
  - mediatek_chipset MT2718
  - mediatek_chipset MT6768
  - mediatek_chipset MT6769
  - mediatek_chipset MT6789
  - mediatek_chipset MT6833
  - mediatek_chipset MT6855
  - mediatek_chipset MT6877
  - mediatek_chipset MT8186
  - mediatek_chipset MT8188
  - mediatek_chipset MT8189
  - mediatek_chipset MT8195
  - mediatek_chipset MT8196
  - mediatek_chipset MT8367
  - mediatek_chipset MT8391
  - mediatek_chipset MT8395
  - mediatek_chipset MT8668
  - mediatek_chipset MT8676
  - mediatek_chipset MT8678
  - mediatek_chipset MT8696
  - mediatek_chipset MT8781
  - mediatek_chipset MT8788E
  - mediatek_chipset MT8792
  - mediatek_chipset MT8793
  - mediatek_chipset MT8799
  - mediatek_chipset MT8910
published: '2026-10-05'
updated: '2026-10-05'
sourceUpdated: '2026-10-05T02:16:54.150'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-20589'
references:
  - url: 'https://www.mediatek.com/product-security-bulletin/October-2026'
    label: security@mediatek.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-05T02:10:36.194Z'
---

## Overview

In venc, there is a possible out of bounds write due to type confusion. 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: ALPS11383899; Issue ID: MSV-9606.

## Remediation

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