How to Verify Updates for WannaCry Ransomware Vulnerability on Windows8.1 , Server 2012 or 2012 R2


 

This article applies to Windows 8.1 or Windows Server 2012 and 2012r2. This article will show the step-by-step process to verify the correct update has been installed on a computer that re-mediates the exploit used by the WannaCry ransomware.  Microsoft released updates during the March patch cycle that re-mediate the vulnerabilities the WannaCry ransomware exploits.  As long as the cumulative update released in March or a more recent cumulative update is installed on a computer, the computer is not vulnerable to the WannaCry ransomware exploit.

 

1. Open the Start menu, type Windows Update into the windows search bar and select Windows Update

 

2. Select View update history
   

 

3. Search the update history for an update that starts with March, 2017 Security Only Quality Update… or March, 2017 Security Monthly Quality Rollup…


  *note: both updates do not need to be installed, one or the other is enough

 

4. Verify that the KB Number associated with March, 2017 Security Only Quality Update… or March, 2017 Security Monthly Quality Rollup…is one of the following and that the update status shows Successful