Zero-day exploits are a goldmine for hackers since they're tough to fix and can lead to big system breaches.
Google says these AI-powered attacks are happening more often, with less human effort needed.
John Hultquist from Google's Threat Intelligence Group put it simply: "We believe this is the tip of the iceberg."
Experts warn that as AI gets smarter, teamwork between governments and tech companies is crucial to keep our online world safe.