The FBI, CISA, and NSA have published a joint advisory detailing the top 15 routinely exploited vulnerabilities of 2023. This advisory highlights an increase in zero-day exploitation compared to previous years and provides essential mitigation strategies for vendors, developers, and end-user organizations. Notably, vulnerabilities such as MOVEit and Log4Shell remain prevalent in the list. The advisory serves as a critical resource for network defenders, emphasizing the common vulnerabilities exploited by cyber actors and the necessary protective measures to secure networks.