Fable 5 Writes Windows Kernel in Rust in 38 Minutes, Raising Security Concerns
Wed Jun 24 2026
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cyberpress.org
Anthropic’s Claude Fable 5 has generated a functional, bootable NT-compatible Windows kernel written in Rust from an empty directory in just 38 minutes of active model work. Documented by security researcher Matt Suiche and Tolmo’s threat research agent “Twinkle” on June 22, 2026, the project, called ntoskrnl-rs, represents one of the most consequential demonstrations of […]
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