Meta’s Muse AI Assistant Rolled Out With a Serious Security Flaw

What moved

Meta says it issued a fix for the Muse zero-day vulnerability that would have let attackers do “whatever” they wanted on a victim’s Mac, highlighting the inherent dangers of AI helpers.

Why it matters

Filed as a public note from WIRED, 2026-09-23.

On the record

• Filed from the WIRED official RSS on 2026-09-23.
• Primary source host: wired.com.
• Meta says it issued a fix for the Muse zero-day vulnerability that would have let attackers do “whatever” they wanted on a victim’s Mac, highlighting the inherent dangers of AI helpers.