There has been an update/fix released for Critical Vulnerability in Schannel Could Allow Remote Code Execution by Microsoft and it is extremely necessary to install the fix on your Windows Server immediately on high priority basis. Information / download for this is available at below link:
https://technet.microsoft.com/en-us/library/security/ms14-066.aspxYou can download / install the fix from above link by selecting appropriate version as per your Windows OS version (2003 / 2008 / 2012) and reboot your machine thereafter.
