Security News Microsoft Exchange, Windows 11 hacked on second day of Pwn2Own BleepingComputer Daniel Bender 15 May 2026 Share ​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 Windows 11, Microsoft Exchange, and Red Hat Enterprise Linux for Workstations.
