Claude Mythos Preview finds over 10,000 severe software vulnerabilities
Anthropic reported that Project Glasswing's restricted Claude Mythos Preview deployment found more than 10,000 high- or critical-severity vulnerabilities across systemically important software.
TOWARD DOOM68confidence 94/100
Why it moved the index
Large-scale deployment against live, systemically important code verifies that frontier cyber capability had moved beyond benchmarks into consequential vulnerability discovery, even though access remained restricted to defenders.
AUDIT TRAIL
Assessment history
- R1Toward 68 · confidence 94
New verified practical deployment result for an exact restricted frontier cyber model.
11 Aug 2026