CVE-2026-20407: MediaTek Nbiot SDK

Critical severity, CVSS 9.3. EPSS: 0.2% 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 with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00464377; Issue ID: MSV-4905.

Affected products

• MediaTek Nbiot SDK: up to and including 3.8

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