What is Claude Mythos Preview?

Anthropic's advanced AI model that detects and exploits thousands of zero-day vulnerabilities in major OSes and browsers.

How many vulnerabilities did Claude Mythos find?

Thousands of high-severity ones, including some unpatched for decades, across every major operating system and web browser.

Will Anthropic release Claude Mythos publicly?

No, it's restricted to partners via Project Glasswing for responsible disclosure and patching.

🤖 Large Language Models

Claude Mythos: AI Hunts Down Thousands of Hidden OS and Browser Bugs

Anthropic's new AI beast, Claude Mythos Preview, sniffed out thousands of zero-day vulnerabilities across operating systems and browsers. But they're not unleashing it—yet.

theAIcatchup Apr 07, 2026 4 min read

Anthropic's Claude Mythos AI scanning code for vulnerabilities in operating systems and browsers

⚡ Key Takeaways

Claude Mythos Preview found thousands of zero-day vulnerabilities in all major OSes and browsers. 𝕏
Anthropic's Project Glasswing partners with tech giants to patch bugs before public release. 𝕏
The model achieves full exploits (tier 5) on fully patched targets, far beyond prior AIs. 𝕏

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#AI cybersecurity #Anthropic AI #Claude Mythos #Claude Mythos Preview #Project Glasswing #zero-day vulnerabilities

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Originally reported by Tom's Hardware - AI

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