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[ARTICLE · art-136973] src=machinebrief.com ↗ pub= topic=ai-agents verified=true sentiment=↓ negative

Meta patches Muse exploit that let attackers control the AI agent

Meta patched a zero-day vulnerability in its Muse macOS app after security researcher Patrick Wardle found an undocumented setting that let local attackers redirect transcription processing from Meta's servers to their own endpoint and gain access to the Muse account. The flaw was enabled by Muse dictation running in the cloud rather than on-device and by allowing any app to control all of Muse's undocumented settings, according to Ars Technica. The exploit required local access to the user's device.

by read1 min views2 publishedSep 22, 2026

The zero-day exploit required local access to the user’s device, but gave potential attackers access to Muse accounts. | Image: The Verge Meta has issued a patch for its Muse macOS app following the discovery of a zero-day vulnerability that could allow someone to take control of the AI agent. The bug found by security researcher Patrick Wardle utilized an undocumented Muse setting that enabled potential attackers running local code to redirect transcription processing from Meta's servers to their own endpoint, Ars Technica reports, giving the attacker access to the Muse account. Several design decisions reportedly enabled this flaw, including having Muse dictation occur in the cloud instead of on-device, and allowing any app to control all of Muse's undocumented settings. Pr … Read the full story at The Verge.

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