By Davey Winder
Publication Date: 2026-05-16 11:32:00
Microsoft Exchange zero-day exploit confirmed at Pwn2Own Berlin.
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Hot on the heels of three new zero-day exploits against Windows 11, confirmed on May 14, Microsoft was hacked again just 24 hours later, as a three-vulnerability chained Exchange zero-day exploit was demonstrated at the Pwn2Own elite hacking event in Berlin. Here’s what you need to know.
Microsoft Exchange Falls To Zero-Day Hack At Pwn2Own Berlin
Pwn2Own is a twice-yearly event organized by the Trend Micro Zero Day Initiative, where some of the world’s most elite ethical hackers compete against each other, and the clock, to exploit previously unknown vulnerabilities in both software and hardware. The Berlin event got off to a flying start on May 14 as Windows 11 was hit by no less than three zero-day exploits. On day two, hacking teams were no less successful, chaining together three new vulnerabilities in Microsoft…