Meta Muse zero-day vulnerability

A Mac security flaw lets attackers hijack Meta's AI assistant Muse without detection.

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Sep 22, 2026

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Meta Muse zero-day vulnerability

A Mac security flaw lets attackers hijack Meta's AI assistant Muse without detection.

In brief

A Mac security flaw lets attackers hijack Meta's AI assistant Muse without detection. A zero-day vulnerability in Meta's Muse AI assistant allows attackers to hijack Mac computers by exploiting its cloud-based dictation feature. Originally reported by Mashable.

Meta launches Muse AI assistant

Meta Muse

Meta launched its new ai assistant muse to much fanfare earlier this month.

Zero-day vulnerability discovered

Zero-day vulnerability discovered

A zero-day vulnerability has reportedly been discovered that could put access to your entire mac computer in the wrong hands.

Security expert warns of risk

Matt Binder

macos security expert patrick wardle posted on x about the vulnerability with the muse app.

How the exploit works

the vulnerability lets local malware attackers invisibly hijack a user's mac by changing the transcription endpoint server address.

Muse's permission risks

muse requires extensive mac permissions more than most third-party apps and uses cloud for dictation instead of apple's local approach.

Meta's response and consequences

meta built a secure vm for muse but the vulnerability remains; amazon blocked muse from purchasing products on its e-commerce site.

The one thing

A zero-day vulnerability in Meta's Muse AI assistant allows attackers to hijack Mac computers by exploiting its cloud-based dictation feature.

Read the original on Mashable

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