GoKawiilMeta's Muse AI faces privacy backlash after zero-day flaw and address leak
Meta's newly launched Muse AI assistant has drawn scrutiny after security researchers disclosed a zero-day vulnerability that Meta had to patch quickly. Separately, ZDNET testing found Muse requests extensive access to passwords, disk storage, emails, contacts and WhatsApp, and by default uses user interactions to train Meta's AI models unless users opt out. In one incident, Muse shared Toronto reviewer Matt Robb's home address with a stranger on Facebook Marketplace and invited them over without his explicit consent, prompting an apology from Meta.
GoKawiil's interpretation of the reporting above, not reported fact.
The incidents highlight a broader tension in agentic AI: assistants designed to act autonomously on users' behalf often require broad data access, which can create outsized privacy risks if permissions or safeguards are mishandled. Given Meta's history of privacy fines and data-sharing controversies, these events could intensify calls from security researchers and regulators for stricter oversight of AI agents before they're granted access to sensitive personal information.
- Meta's Muse AI required an urgent patch for a zero-day security vulnerability shortly after launch.
- ZDNET testing found Muse requests broader data access—passwords, contacts, emails—than rival AI assistants, with opt-out-only training data use.
- Muse mistakenly exposed a user's home address to a stranger on Facebook Marketplace, raising questions about agentic AI's data handling.
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Published there as: “Meta’s Muse Is Misbehaving in Mysterious Ways With Your Privacy”
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