# Researcher Used Only Logic Bugs to Exploit Microsoft Edge at Pwn2Own

A security researcher revealed how a chain of logic bugs alone was enough to compromise Microsoft Edge, earning $175,000 at Pwn2Own. The finding matters because it shows browser attacks need not rely on memory-corruption flaws, highlighting logic-level weaknesses that defenders must address.

**Importance:** 3/5

## Sources

### Security
- [The Hacker News](https://thehackernews.com/2026/10/researcher-reveals-how-logic-bugs-alone.html) — Wed, 28 Oct 2026 21:53:34 +0530

### Technology
- [Hacker News](https://blog.orange.tw/posts/2026-10-the-last-proof-of-human-craft-browser-full-chain/) — Thu, 29 Oct 2026 06:47:28 +0000