Zero-day exploit released for Meta's Muse voice AI app
Researcher publishes proof-of-concept code showing how local malware can intercept Muse's dictation traffic.
What to know
- A public exploit for a local vulnerability in Meta's Muse voice AI app allows malware to intercept and redirect dictation traffic to attacker-controlled servers.
- The attack requires prior local code execution but targets Muse's elevated system permissions, potentially enabling privilege escalation or broader system compromise.
- No official response from Meta has been documented as of the latest reports.
“This is a local attack. An attacker must already be able to execute code as the local user.”
not-a-mused GitHub repository · GitHub ↗
Meta Muse application developer
How it unfolded 2 developments, newest first · click a bar or a number to jump articlesposts
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Exploit details shared on Hacker News highlighting privilege amplification risk
The proof-of-concept was shared on Hacker News with emphasis on the threat that Muse's elevated system permissions make it a valuable target for malware seeking privilege escalation or expanded access beyond ordinary local code execution.
“The concern is that Muse may have significantly broader access than ordinary local malware, making it a particularly useful target for privilege/access amplification.”
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🤡🤡🤡 https:// arstechnica.com/security/2026/ 09/muse-metas-extraordinarily-privileged-ai-assistant-has-a-serious-0-day/
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Meta’s Muse has a serious 0-day (arstechnica.com) Discussion | Main Link
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Researcher publishes Muse zero-day proof-of-concept on GitHub
A proof-of-concept exploit demonstrating a local vulnerability in Meta's Muse voice application was published. The vulnerability allows unprivileged local processes to redirect Muse's dictation traffic to attacker-controlled endpoints, potentially capturing voice prompts sent to the application.
“A local attacker or malware can modify this endpoint without special privileges.”
— not-a-mused GitHub repository