Microsoft Windows 11 has fallen victim to three zero-day exploits in a single day as the 2026 Pwn2Own hacking event opens in Berlin.

The latest Microsoft Patch Tuesday rollout featured no zero-days. However, an angry hacker has just dropped two new 0-day exploits targeting Windows users.

On the first day of Pwn2Own Berlin 2026, security researchers collected $523,000 in cash awards after exploiting 24 unique zero-days.

Microsoft Windows 11 has fallen victim to three zero-day exploits in a single day as the 2026 Pwn2Own hacking event opens in Berlin.

During the second day of Pwn2Own Berlin 2026, competitors collected $385,750 in cash awards after exploiting 15 unique zero-day vulnerabilities in multiple products, including…