CVE-2026-20409

HIGH

Android MediaTek MT6897 MT6989 - Out-of-bounds Write in imgsys

Title source: llm

Description

In imgsys, there is a possible out of bounds write due to a missing bounds check. 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: ALPS10363246; Issue ID: MSV-5779.

References (1)

Core 1

Core References

Vendor Advisory

https://corp.mediatek.com/product-security-bulletin/February-2026

Scores

CVSS v3 7.8

EPSS 0.0000

EPSS Percentile 0.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-787

Status published

Products (7)

google/android 15.0

MediaTek, Inc./MediaTek chipset MT6897

MediaTek, Inc./MediaTek chipset MT6989

MediaTek, Inc./MT6897 ALPS10315038

MediaTek, Inc./MT6897 ALPS10363246

MediaTek, Inc./MT6989 ALPS10315038

MediaTek, Inc./MT6989 ALPS10363246

Published Feb 02, 2026

Tracked Since Feb 18, 2026