CVE-2026-20418 — MediaTek, Inc. / MediaTek chipset

CVE-2026-20418

MediaTek, Inc. / MediaTek chipset PUBLISHED

Description (CNA)

In Thread, 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 not needed for exploitation. Patch ID: WCNCR00465153; Issue ID: MSV-4927.

Affected (CNA)

Vendor / product	Versions
MediaTek, Inc. / MediaTek chipset	affected MT7931; affected MT7933

CWE

CWE-787

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.