Microsoft Windows 11 Exploited 3 Times In 24 Hours By Zero-Day Hackers

InnovationCybersecurityMicrosoft Windows 11 Exploited 3 Times In 24 Hours By Zero-Day HackersByDavey Winder,Senior Contributor.Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst.Follow AuthorMay 15, 2026, 10:09am EDT--:-- / --:--This voice experience is generated by AI. Learn more.This voice experience is generated by AI. Learn more.Windows 11 zero-day exploits surge at Pwn2Own hacking event.SOPA Images/LightRocket via Getty ImagesIt has not been a great week for Microsoft, what with an angry hacker dropping two zero-day exploits on the same day the official Patch Tuesday vulnerability-fixing rollout went live. So, you might think that the news of no less than three Microsoft Windows 11 zero-day exploits being demonstrated by hackers on the same day is just a continuation of the bad security vibe. But you would be wrong; this is, in fact, good news. The exploits took place at the annual Pwn2Own elite hacking event in Berlin, and full details of the vulnerabilities underlying the exploits, along with the technical nature of the exploit code itself, will be handed over to Microsoft, which will then have 90 days to provide a fix before any details are made public. ForbesHere’s Why Microsoft Windows 11 Reboots Multiple Times After New Security UpdateBy Davey WinderMicrosoft Windows 11 Gets Triple-Hacked At Pwn2Own BerlinI have said it before, and will continue to do so until I am quite blue in the face: hacking is not a crime, criminal hacking is. Vulnerability rewards programs, or bug bounties, have become a hugely popular and lucrative option for hackers looking to make money while helping both vendors and the public stay safe. This kind of perfectly legal hacking into hardware and software with the vendor’s blessing is exemplified by the gathering of some of the best hackers on the planet for the Pwn2Own event in Berlin, which started May 14, and is organized by Trend Micro’s Zero D...