Welcome to this month's overview of the Microsoft December 2015 Patch Day. The guide provides you with relevant information about all security and non-security patches that Microsoft released since the November 2015 Patch day.
The executive summary lists the most important information about this month's update. It is then followed by distribution information divided into operating system and other Microsoft product distribution.
The main part of the guide consists of all security bulletins Microsoft released this month, links to security updates and advisories, and non-security updates.
The last section lists information about downloads and how the updates can be obtained, as well as links to core Microsoft websites.
Operating System Distribution
Windows 7 is the only operating system on the client side that is affected by two critical vulnerabilities. It is the only client operating system affected by MS15-130, a remote code execution vulnerability in Microsoft Uniscribe.
Windows Server 2008 R2 is the only server operating system affected by the Bulletin.
Other Microsoft Products
Security Advisories and updates
Non-security related updates
How to download and install the December 2015 security updates
Updates are provided via Windows Update. The operating system should pick up those updates eventually but if you want to download those updates as fast as possible, you need to run a manual check for updates for that.
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