The 2024 CWE Top 25 is a list of the most dangerous software weaknesses that resulted in reported high-severity vulnerabilities in the period of mid-2023 to mid-2024. Despite some methodology changes since 2023, the same weaknesses still occupy the top three spots: cross-site scripting (XSS), buffer overflows, and SQL injection. Let’s look at how the CWE Top 25 is compiled, what has changed since last year, and what the practical takeaways are for ensuring software security.