TechMeta’s highly privileged AI assistant Muse has a serious zero-day

Meta CEO Mark Zuckerberg heavily promoted Muse as private and secure, but a zero-day vulnerability lets locally running apps and terminal commands take complete control of the agent. Amazon has also begun blocking Muse. The macOS assistant can handle tasks across accounts and services while receiving broad access to restricted resources such as files, the microphone, camera, location, and calendars.

MetaMusezero-day vulnerabilityAI security

AArs Technica★★☆☆☆2026-09-21 22:24Original