Security · 8 November 2026

OpenAI's GPT-6 Cyber uncovers 81 Firefox flaws and 948 Linux exploits

OpenAI's GPT-6 Cyber identified 81 previously unknown high‑severity Firefox vulnerabilities and created working exploits for 948 Linux kernel flaws. In ExploitGym testing it succeeded on 48.5% of vulnerabilities, versus 32.1% for GPT‑5.6 Cyber.

Benchmarks are the company's own; not independently verified.

Why it matters

GPT‑6 Cyber uncovered 81 Firefox and 948 Linux exploits with 48.5% success; incorporate comparable AI‑driven discovery into your security roadmap.

For product managers

For your product
What does this mean for your product?
Try it on your product

Get this every morning, written for your product.

Deltaday reads the whole AI news cycle and tells you what changed, whether it's real yet, and what to do about it.