Understanding and Defending Against CVE-2026-20531: A Use-After-Free Vulnerability in MediaTek Chipsets
CVE-2026-20531 is a high-severity vulnerability in MediaTek chipsets that allows for local escalation of privilege. This vulnerability, caused by a use-after-free error in the apu component, can be exploited without additional execution privileges or user interaction. Understanding the root cause, attack surface, and exploitation mechanics is crucial for defenders to implement effective mitigations and detections.