CVE-2026-20491

Published Aug 3, 2026

Last updated 18 hours ago

Overview

Description
In med, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10981478 (Note: For MT6890, MT6990, MT6988) / AUTO00851173 (Note: For MT2735, MT2737); Issue ID: MSV-7652.
Source
security@mediatek.com
NVD status
Analyzed
Products
mt2735_firmware, mt2737_firmware, mt6890_firmware, mt6988_firmware, mt6990_firmware

Risk scores

CVSS 3.1

Type
Secondary
Base score
5.5
Impact score
3.6
Exploitability score
1.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Severity
MEDIUM

Weaknesses

security@mediatek.com
CWE-787

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.