CVE-2026-20464: Mediatek, Inc MediaTek Chipset

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

In hevc decoder, there is a possible out of bounds write due to an integer overflow. This could lead to remote escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11104718; Issue ID: MSV-8297.

Affected products

• Mediatek, Inc MediaTek Chipset

Published 2026-08-03. Last modified 2026-08-28.