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The Hacker News AI Security · September 22, 2026

Muse dictation endpoint: local malware can inherit an assistant’s access

analysis Agent SecurityPrompt InjectionAI Red Teaming
Why it matters

Patrick Wardle’s Muse proof of concept redirects dictation through a preference writable by the local user. It demonstrates paths to prompt capture, instruction injection and authentication-material theft using the assistant’s existing access. The attacker already needs local code execution, and the demonstrated path requires dictation; it is not an initial remote compromise.

My takeaway: Treat writable service endpoints as part of an assistant’s credential boundary. Limit connected-account permissions, verify the destinations receiving authentication material, and investigate the host and assistant sessions together after compromise. Do not assume the reported fix is complete without vendor confirmation.
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