Claude Fable 5 Wrote Windows Kernel Code in Rust in 38 Minutes

Anthropic’s Claude Fable 5 generated a complete, bootable NT-compatible Windows kernel written in Rust called ntoskrnl-rs from an empty directory in just 38 minutes of active model work, raising profound questions about AI-authored trust and the future of critical infrastructure security. Documented by security researcher Matt Suiche and Tolmo’s threat research on June 22, 2026, […] The post Claude Fable 5 Wrote Windows Kernel Code in Rust in 38 Minutes appeared first on Cyber Security News.