CVE-2026-20586

Published Oct 5, 2026

Last updated 2 days ago

Overview

Description
In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS11383899; Issue ID: MSV-9614.
Source
security@mediatek.com
NVD status
Analyzed
Products
mt8910_firmware, mt2718_firmware, mt6768_firmware, mt6789_firmware, mt6769_firmware, mt6833_firmware, mt6855_firmware, mt6877_firmware, mt8186_firmware, mt8188_firmware, mt8189_firmware, mt8195_firmware, mt8196_firmware, mt8367_firmware, mt8391_firmware, mt8395_firmware, mt8668_firmware, mt8676_firmware, mt8678_firmware, mt8696_firmware, mt8781_firmware, mt8788e_firmware, mt8792_firmware, mt8793_firmware, mt8799_firmware

Risk scores

CVSS 3.1

Type
Secondary
Base score
8.8
Impact score
5.9
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

security@mediatek.com
CWE-787

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.