Claude AI discovered 22 Firefox flaws. Heres how many it figured out how to exploit.

Claude AI discovered nearly two dozen vulnerabilities in Firefox, the Mozilla web browser.

Anthropic teamed up with Mozilla to test the security of its browser, allowing its AI tool to probe for vulnerabilities. Read, in part, a blog post from Anthropic:

"Claude Opus 4.6 discovered 22 vulnerabilities over the course of two weeks. Of these, Mozilla assigned 14 as high-severity vulnerabilities—almost a fifth of all high-severity Firefox vulnerabilities that were remediated in 2025. In other words...