On Tuesday the 11th of February Microsoft released the monthly Security Bulletin Summary for February 2014. The summary includes 7 Security Bulletins - 4 are classified as critical; 3 as important:
Vulnerability impact: Critical - Remote Code Execution Affected Software: Microsoft Windows, Internet ExplorerSumamry
Vulnerability impact: Critical - Remote Code Execution Affected Software: Microsoft Windows
Vulnerability impact: Critical - Remote Code Execution Affected Software: Microsoft Security Software
Vulnerability impact: Important - Elevation of Priviledges Affected Software: Microsoft Windows, Microsoft .NET Framework
Vulnerability impact: Important - Information Disclosure Affected Software: Microsoft Windows
Vulnerability impact: Important - Denial of Service Affected Software: Microsoft Windows
For more information refer to: Microsoft Security Bulletin Summary for February 2014 https://technet.microsoft.com/en-us/security/bulletin/ms14-feb Symantec product detections for Microsoft monthly Security Advisories - February 2014 http://www.symantec.com/business/support/index?page=content&id=TECH214861