CVE-2026-20489

EUVD-2026-52079
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.4 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 2.39%
Affected Products (NVD)
VendorProductVersion
mediatekmt6991_firmware
-
mediatekmt6993_firmware
-
mediatekmt8126_firmware
-
mediatekmt8171_firmware
-
mediatekmt8188_firmware
-
mediatekmt8189_firmware
-
mediatekmt8367_firmware
-
mediatekmt8668_firmware
-
mediatekmt8676_firmware
-
mediatekmt8678_firmware
-
mediatekmt8766_firmware
-
mediatekmt8768_firmware
-
mediatekmt8781_firmware
-
mediatekmt8786_firmware
-
mediatekmt8791t_firmware
-
mediatekmt8799_firmware
-
mediatekmt8910_firmware
-
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.mediatek.com/product-security-bulletin/August-2026