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AI assistants can be hijacked and manipulated by inaudible sounds

📅 20 May 2026 at 17:19 UTC📰 Cyber InsiderView original source ↗
AI assistants can be hijacked and manipulated by inaudible sounds

Hidden audio commands can hijack AI voice assistants and transcription tools without users hearing anything unusual, according to new research set to be presented at the IEEE Symposium on Security and Privacy next week. The study shows that carefully crafted audio clips can elicit unauthorized actions from audio-language models (LALMs), including downloading files, sending emails, … The post AI assistants can be hijacked and manipulated by inaudible sounds appeared first on CyberInsider.

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

AI assistants can be hijacked and manipulated by inaudible sounds through 'AudioHijack', a form of auditory prompt injection that embeds malicious instructions in ordinary audio, allowing attackers to trigger unauthorized actions such as downloading files or sending emails.

⚙️Technical Details
Affected Systems
audio-language modelsvoice assistantstranscription servicescustomer support bots
Attack Vectors
musicvideosvoice noteslive conversations uploaded to AI servicesZoom meetings
💥Impact Assessment
Severity: high
Who Is at Risk
users of voice assistants and transcription servicesorganizations with multimodal AI systemsSeverity: high
🛡️Recommended Actions
1Implement additional safeguards at the application layer
2Regularly update audio-language models to patch vulnerabilities
3Monitor for suspicious audio activity on voice assistants and transcription services
📦Affected Products
open-source audio-language modelscommercial voice agents from Microsoft Azure and Mistral AI

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