CVE-2026-20458: Mediatek, Inc MediaTek Chipset

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

In Modem, there is a possible memory corruption due to a missing bounds check. This could lead to remote escalation of privilege, 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: MOLY01402160; Issue ID: MSV-7298.

Affected products

Published 2026-07-01. Last modified 2026-07-02.