Senior Member

Reference to recent Hyper-V vulnerability CVE-2021-28476 We have successfully patched Windows 2012 server through KB 5003220. However, attempts to update Windows 2008 R2 SP1 through KB 5003233 & 5003228 gives failure configuring updates reverting changes.

You have posted on the board for Microsoft Learn and certification exams. You would more likely get an answer in the Windows Server board