CVE-2026-20457: Mediatek, Inc MediaTek Chipset

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

In Modem, there is a possible system crash due to improper input validation. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01826924; Issue ID: MSV-7301.

Affected products

Published 2026-07-01. Last modified 2026-07-01.