Wire · opportunities
Meta Just Patched a Major Zero-Day Vulnerability in Its Muse AI Assistant
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Fusion42 · 22 September 2026 · Fusion42 review
Meta patched a critical zero-day vulnerability in its Muse AI assistant on Mac that allowed attackers with local access to hijack the assistant by redirecting dictation audio to malicious servers. The flaw, discovered by security researcher Patrick Wardle, involved an internal setting enabling manipulation of the dictation server endpoint, and Meta fixed it by removing this setting. Additionally, Amazon restricted Muse's ability to shop on its platform due to unauthorized access and credential handling concerns.
This Wire brief sits within Fusion42's coverage of AI & ML.
◆ ◆ The Wire takeaway
Your AI assistant's security depends on controlling internal debug features. You must tighten endpoint controls and anticipate platform restrictions like Amazon's, which now block AI access that bypasses notification and proper credential handling.
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1 source · 22 Sep 2026
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