Microsoft will release two critical patches this coming Tuesday April the 9th. The pair of patches are both for Windows and one for Internet Explorer.
One of the patches is a critical update to Windows 8, Vista, 7, XP and RT. The other patch is deemed "important" and is for Vista, 7 and XP. There is also patches for Windows Server 2012, 2008, and Server Core. An update of Microsoft's Windows Malicious Software Removal tool is also expected.
Keep an eye out for the updates next Tuesday.