CVE-2026-20489

MEDIUM

MediaTek Chipset - Out-of-bounds Read

Title source: rule
STIX 2.1

Description

In display, there is a possible information disclosure due to an integer overflow. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11004274; Issue ID: MSV-7749.

Scores

CVSS v3 4.4
EPSS 0.0012
EPSS Percentile 2.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-125
Status published
Products (17)
MediaTek, Inc./MediaTek chipset MT6991
MediaTek, Inc./MediaTek chipset MT6993
MediaTek, Inc./MediaTek chipset MT8126
MediaTek, Inc./MediaTek chipset MT8171
MediaTek, Inc./MediaTek chipset MT8188
MediaTek, Inc./MediaTek chipset MT8189
MediaTek, Inc./MediaTek chipset MT8367
MediaTek, Inc./MediaTek chipset MT8668
MediaTek, Inc./MediaTek chipset MT8676
MediaTek, Inc./MediaTek chipset MT8678
... and 7 more
Published Aug 03, 2026
Tracked Since Aug 03, 2026