AI coding tools are pretty good at finding bugs and make it easier and faster to fix them.
Importantly, security vulnerabilities in new releases seem to stay roughly the same and the change to which bugs count as CVEs was around version 6.8 already.
Many governments and secret groups sit on Zero day exploits for years until they need to use them.
Average people are finding them easier now using AI, which is a good thing. Instead of 3 letter organizations sitting on them.