AnalysisCybersecurityJuly 27, 2026

Anthropic is finding bugs faster than Microsoft can fix them

Anthropic's Mythos AI found 90 critical and 141 important bugs in Microsoft's SharePoint in April, outpacing Microsoft's ability to patch. Engineers were told May 31 is 'the day when the rest of the world will have caught up,' with adversaries gaining access after the model's general release.

How this story unfolded

1 day · 8 reports · 3 community posts · from Jul 27

  1. Jul 27
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Anthropic is finding bugs faster than Microsoft can fix them