Security researcher builds self-spreading worm that hides in Word docs and hijacks Microsoft Copilot

The Decoder reports a security researcher demonstrated a worm-like attack on Microsoft Copilot that spreads via Word documents.

• Expert warns this dangerous Microsoft Word worm can burrow into Copilot and cause havoc — here's what we know
• A security researcher built a self-spreading worm that hides inside Word docs and hijacks Microsoft Copilot
• Microsoft Copilot for Word Can Copy Hidden Prompts Into New Documents
• AI Worming through Word
• Word worm crawls into Copilot, spreads chaos
• Document-borne AI worms can self-propagate through Copilot for Word