CVE-2026-20408 — MediaTek, Inc. / MediaTek chipset

CVE-2026-20408

MediaTek, Inc. / MediaTek chipset PUBLISHED

Description (CNA)

In wlan, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00461651; Issue ID: MSV-4758.

Affected (CNA)

Vendor / product	Versions
MediaTek, Inc. / MediaTek chipset	affected MT6890; affected MT7615; affected MT7915; affected MT7916; affected MT7981; affected MT7986

CWE

CWE-122

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.