CVE-2026-20436: MediaTek Nbiot SDK

Medium severity, CVSS 6.7. EPSS: 0.1% chance of exploitation in the next 30 days.

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 products

• MediaTek Nbiot SDK: up to and including 3.8

Published 2026-03-02. Last modified 2026-06-17.