A review of zero-day in-the-wild exploits in 2023

Google's Threat Analysis Group (TAG) and Mandiant published a joint 2023 review reporting 97 zero-day vulnerabilities exploited in the wild — over a 50% increase from 2022 — and analyzed active exploitation across end-user platforms (mobile devices, operating systems, browsers, applications) and enterprise-focused technologies (security software and appliances), offering recommendations to defenders.