CVE-2026-20436 — MediaTek, Inc. / MediaTek chipset

CVE-2026-20436

MediaTek, Inc. / MediaTek chipset PUBLISHED

Description (CNA)

In wlan STA driver, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: WCNCR00473802; Issue ID: MSV-5970.

Affected (CNA)

Vendor / product	Versions
MediaTek, Inc. / MediaTek chipset	affected MT7902; affected MT7920; affected MT7921; affected MT7922; affected MT7925; affected MT7927; affected MT8696

CWE

CWE-120

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.