This comprehensive report from Google provides an in-depth analysis of zero-day vulnerabilities and exploits observed in 2023. The report includes a detailed examination of trends in exploit mitigation, the rise of bugs in third-party components, and the increased targeting of enterprise technologies. The report highlights significant developments, such as the return of old threat actors and the emergence of new ones, the focus of commercial surveillance vendors on end-user products, and the dominance of PRC groups in government exploitation. With a focus on data and statistics, the report offers valuable insights and an outlook on future cybersecurity challenges.