
V8 ACE Exploit 2026: Chrome Glasswing Vulnerability and ExploitBench Results
Project Glasswing's Claude Mythos AI achieved 21 out of 41 arbitrary code execution exploits in the V8 JavaScript engine on Anthropic's ExploitBench evaluation. No other AI model scored above zero. V8 ACE is among the 9 confirmed Glasswing CVEs, meaning a drive-by browser compromise via a malicious webpage is within scope. This post explains the vulnerability class, the benchmark results, and what enterprise Chrome management teams should do now.
