The most important bulletins include fixes for SharePoint and Microsoft Office.
The end of support doesn't mean the end of support options for those willing to pay.
A variant of the popular "money in the bank" malware is now targeting the largest online game distributor.
Most importantly this month is a cumulative fix for 11 flaws in all versions of Microsoft's Web browser.
Microsoft's light monthly update will feature a majority of fixes for Windows.
Many of the new security upgrades in Microsoft's OS update will focus on securing personal devices.
Microsoft presented the updated figure during a discussion of private and public sector cooperation when battling cyber crime.
A cloud advocate survey found that 56 percent of respondents would not use U.S.-based cloud services.
The company is expected to pay close to $2.7 billion once the deal is finalized later this year.
In a three-part test that looked at accuracy, protection and false positives, Microsoft's free antivirus program finished at the bottom.
Microsoft, who has denied being involved with Prism since the program was first divulged, released a statement this week saying it did not provide the NSA with a backdoor to access personal Outlook.com e-mails and Skype conversations.
This month's Microsoft Security Update also comes with word of a new policy for vulnerable apps in the Windows Store.
In lab tests, Microsoft's latest browser blocks 99 percent of malware attacks. But can lab-tested attacks accurately represent real-world attacks?
Found a hole in Microsoft's latest version of Windows? You could be awarded $100,000.
Microsoft is just one of many who have been sharing information on hardware specs and software vulnerabilities with government organizations.