Meta’s Muse reportedly has zero-day vulnerability that lets attackers take over your Mac

Screenshot from the video: How we built Muse with Privacy, Safety and Security in mind by Muse. Article by Matt Binder. Mashable – September 22, 2026.

Meta launched its new AI assistant Muse to much fanfare earlier this month. Now, just a few weeks later, a zero-day vulnerability has reportedly been discovered that could put access to your entire Mac computer in the wrong hands. (Meta currently does not have a Windows version of Muse for PC.) MacOS security expert Patrick Wardle posted on X about the vulnerability with the Muse app. According to Wardle, and as first covered by Ars Technica,  the vulnerability lets “local malware/attackers invisibly hijack” a user’s Mac. […]

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Video: How we built Muse with Privacy, Safety and Security in mind – Muse

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Meta’s Muse AI Agent Has Been Downloaded Half a Million Times — With a Serious Bug – CNET

Meta patches Muse AI flaw that could let attackers take control of the AI agent – Firstpost

Muse, Meta’s extraordinarily privileged AI assistant, has a serious 0-day – Ars Technica

Insurify Blocks Meta’s Muse Agent From Its Insurance Marketplace – PR Newswire

People Are Already Lusting After Meta’s New AI Assistant Muse – Futurism