A recent demonstration by a security researcher has unveiled a concerning vulnerability within Microsoft Copilot for Word. The researcher created a self-spreading worm that utilizes invisible prompt injections embedded in Word documents. Each time these documents are reused, the worm propagates into new files, raising significant security concerns. Despite Microsoft acknowledging the issue, attempts to rectify it have been unsuccessful over a span of 144 days. This situation highlights the critical need for robust security measures in widely-used software applications. As organizations increasingly rely on digital tools, understanding the implications of such vulnerabilities becomes paramount. A thorough assessment of the risks associated with this exploit is essential for informed decision-making in the corporate landscape.