China's accelerating development of autonomous artificial intelligence poses a significant threat to global cybersecurity, particularly as it approaches parity with Anthropic's Mythos Preview, which has already demonstrated its capability to identify zero-day vulnerabilities in major operating systems and browsers1. The Trump-Xi summit has highlighted the urgent need for diplomatic discussion on the implications of this emerging technology. As both superpowers develop AI that can autonomously find and exploit vulnerabilities, the window for patching these vulnerabilities is rapidly shrinking. The recent release of Mythropic's Mythos Preview to security partners has shown that even decades-old bugs can be discovered, emphasizing the need for immediate exposure assessment. This heightened threat landscape necessitates proactive measures to mitigate potential attacks, as the consequences of inaction could be severe. The development of autonomous AI by China and its potential to match Mythos' capabilities underscores the importance of prompt vulnerability patching and robust cybersecurity protocols.