GPT-5.6 Sol Ultra Builds Full Chrome Exploit Chain From Security Patches

OpenAI’s GPT-5.6 Sol Ultra model independently constructed a complete, working exploit chain for Google Chrome, using nothing but publicly available security patch commits as its starting point. Researchers from Hacktron tasked three frontier AI models, GPT-5.6 Sol Medium, Sol Ultra, and Grok 4.5, with a real-world offensive security challenge: analyze V8 (Chrome’s JavaScript engine) security-fix […] The post GPT-5.6 Sol Ultra Builds Full Chrome Exploit Chain From Security Patches appeared first on Cyber Security News.