CVE-2026-20531: MediaTek MT6899 Firmware

High severity, CVSS 8.4. EPSS: 0.1% chance of exploitation in the next 30 days.

In apu, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11249016; Issue ID: MSV-9169.

Affected products

• MediaTek MT6899 Firmware: affected versions not specified
• MediaTek MT6993 Firmware: affected versions not specified
• MediaTek MT8668 Firmware: affected versions not specified
• MediaTek MT8781 Firmware: affected versions not specified
• MediaTek MT8793 Firmware: affected versions not specified
• MediaTek MT8910 Firmware: affected versions not specified

Published 2026-10-05. Last modified 2026-10-09.