One Hidden Meta Muse Setting Could Let Attackers Turn the AI Assistant Into a Backdoor

One Hidden Meta Muse Setting Could Let Attackers Turn the AI Assistant Into a Backdoor Swati KhandelwalSep 22, 2026Vulnerability / Artificial Intelligence Malware already running on a Mac can quietly take over Meta's Muse assistant and use the broad access its owner granted the app, security researcher Patrick Wardle has shown in a proof-of-concept released on September 21. It works by changing a hidden setting so that when the user taps the microphone and dictates a prompt, the words go to the attacker instead of Meta. The flaw is in the Mac version of Muse, and it only works if an attacker can already run code as the logged-in user. It is not a way to remotely break into a…