🔗 All my links, tools & resources: https://ai.buildamicrosaas.com/ Stay ahead of AI with my daily newsletter, discover useful AI tools and resources, learn how to build your own software business, and connect with me across social media. _______ GPT-6 Cyber is OpenAI’s new AI cybersecurity model, built to find software vulnerabilities and turn them into working exploits. Its Linux research campaign helped produce 948 attacks that could turn existing limited access into administrator access on controlled test machines. We explain what that capability means, why a successful attack can still expose the wrong bug, and how researchers check which vulnerability an exploit actually used. OpenAI also reports 81 previously unknown, high-severity Firefox vulnerabilities after earlier AI audits, plus 30 known issues found to be more serious than previously reported. Mozilla has already released fixes credited to OpenAI’s security work. The bigger question is what happens between finding a flaw and getting protection onto people’s machines. Epoch’s Firefox research shows how information from public fixes can help AI build attacks against versions still waiting for an update, in tests that also used another vulnerability. Ubuntu’s testing across more than 2,000 certified systems shows why urgent patches still need careful checks. From Linux privilege escalation to the browser patch gap, this is a look at how AI security research is changing both attack development and the race to deliver working fixes. Subscribe to AI Tomorrow Desk for clear explanations of what AI can do next. https://ai.buildamicrosaas.com/ Sources and further reading: OpenAI, introducing GPT-6 Cyber: https://openai.com/index/introducing-gpt-6-cyber/ OpenAI, the Linux research campaign: https://openai.com/index/a-thousand-fewer-paths-to-root/ Mozilla, released Firefox security fixes: https://www.mozilla.org/en-US/security/advisories/mfsa2026-118/ Epoch, Firefox and the patch gap: https://epoch.ai/publications/open-weight-models-patch-gap Ubuntu, testing the Linux security fix: https://ubuntu.com/blog/fixes-available-in-proposed-pocket-for-cve-2026-98432