---
id: CVE-2026-20580
title: 'In usb, there is a possible system crash due to use after free'
summary: >-
  In usb, there is a possible system crash due to use after free. This could
  lead to local denial of service if a malicious actor has already obtained the
  System privilege. User interaction is not needed for exploitation. Patch ID:
  ALPS114…
severity: medium
cvss: 4.4
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'
cvssSource: adp
cwe:
  - CWE-416
vendor: 'MediaTek, Inc.'
product: MediaTek chipset
affected:
  - mediatek_chipset MT2735
  - mediatek_chipset MT2737
  - mediatek_chipset MT6761
  - mediatek_chipset MT6765
  - mediatek_chipset MT6768
  - mediatek_chipset MT6781
  - mediatek_chipset MT6853
  - mediatek_chipset MT6855
  - mediatek_chipset MT6858
  - mediatek_chipset MT6877
  - mediatek_chipset MT6878
  - mediatek_chipset MT6879
  - mediatek_chipset MT6880
  - mediatek_chipset MT6881
  - mediatek_chipset MT6883
  - mediatek_chipset MT6885
  - mediatek_chipset MT6889
  - mediatek_chipset MT6890
  - mediatek_chipset MT6893
  - mediatek_chipset MT6897
  - mediatek_chipset MT6985
  - mediatek_chipset MT6988
  - mediatek_chipset MT6989
  - mediatek_chipset MT6990
  - mediatek_chipset MT6991
  - mediatek_chipset MT6993
  - mediatek_chipset MT8188
  - mediatek_chipset MT8189
  - mediatek_chipset MT8196
  - mediatek_chipset MT8668
  - mediatek_chipset MT8768
  - mediatek_chipset MT8786
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-02T16:46:03.578418Z'
published: '2026-11-02'
updated: '2026-11-02'
sourceUpdated: '2026-11-02T16:46:09.428Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-20580'
references:
  - url: 'https://www.mediatek.com/product-security-bulletin/November-2026'
tags:
  - cve.org
epss: 0.001
epssPercentile: 0.00859
ingestedAt: '2026-11-05T19:30:42.711Z'
---

## Overview

In usb, there is a possible system crash due to use after free. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11412004; Issue ID: MSV-9752.

## Affected

- `mediatek_chipset MT2735`
- `mediatek_chipset MT2737`
- `mediatek_chipset MT6761`
- `mediatek_chipset MT6765`
- `mediatek_chipset MT6768`
- `mediatek_chipset MT6781`
- `mediatek_chipset MT6853`
- `mediatek_chipset MT6855`
- `mediatek_chipset MT6858`
- `mediatek_chipset MT6877`
- `mediatek_chipset MT6878`
- `mediatek_chipset MT6879`
- `mediatek_chipset MT6880`
- `mediatek_chipset MT6881`
- `mediatek_chipset MT6883`
- `mediatek_chipset MT6885`
- `mediatek_chipset MT6889`
- `mediatek_chipset MT6890`
- `mediatek_chipset MT6893`
- `mediatek_chipset MT6897`
- `mediatek_chipset MT6985`
- `mediatek_chipset MT6988`
- `mediatek_chipset MT6989`
- `mediatek_chipset MT6990`
- `mediatek_chipset MT6991`
- `mediatek_chipset MT6993`
- `mediatek_chipset MT8188`
- `mediatek_chipset MT8189`
- `mediatek_chipset MT8196`
- `mediatek_chipset MT8668`
- `mediatek_chipset MT8768`
- `mediatek_chipset MT8786`

## Remediation

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