CVE-2026-20494 — MediaTek, Inc. / MediaTek chipset

CVE-2026-20494

MediaTek, Inc. / MediaTek chipset PUBLISHED

Description (CNA)

In wifi, there is a possible out of bounds read due to a missing bounds check. 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: ALPS10960006 / BORA00155314, BORA00155001, BORA00154907; Issue ID: MSV-7570.

Affected (CNA)

Vendor / product	Versions
MediaTek, Inc. / MediaTek chipset	affected MT6890; affected MT6988; affected MT6990

CWE

CWE-125

References

https://www.mediatek.com/product-security-bulletin/August-2026

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.