XBOW Demonstrates Full Chrome Sandbox Escape in Six Days Using OpenAI's GPT-5.6 Sol, Earns $250,000 Google Bounty

Security researchers at XBOW disclosed on October 13, 2026 that they had built a critical Chrome exploit chain in just six days, with direct assistance from OpenAI's GPT-5.6 Sol AI model, earning a $250,000 bounty from Google. The exploit chained three previously unknown vulnerabilities to escape Chrome's renderer sandbox and achieve arbitrary code execution on Windows systems, affecting an estimated one billion Chrome users worldwide.