
Based on the original exploit at: https://gist.github.com/hawktrace/76b3ea4275a5e2191e6582bdc5a0dc8b
You can now specify the ysoserial.exe and execute whatever you want:

https://hawktrace.com/blog/cve-2025-59287/
https://hawktrace.com/blog/cve-2025-59287-unauth/
https://code-white.com/blog/wsus-cve-2025-59287-analysis/