SMRTR ProgrammingJul 29, 2026Ars Technica

Anthropic is finding bugs faster than Microsoft can fix them

SMRTR summary

Anthropic's AI model Mythos is finding security bugs in Microsoft software faster than engineers can patch them. In April alone, it found 90 critical and 141 important bugs in SharePoint. Microsoft feared that by June 1, adversaries would have access to similar tools — and internal records suggest that window may have already closed, with hundreds of critical flaws still unpatched across Teams, Microsoft 365, and Copilot.

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