Severity Rating: Important
Revision Note: V2.0 (February 10, 2016): Bulletin revised to announce the availability of update 3126041 for Microsoft Windows Vista, Windows Server 2008, Windows Server 2008 for Itanium-based Systems, Windows 8.1, and Windows Server 2012 R2. Customers should apply the applicable updates to be protected from the vulnerabilities discussed in this bulletin. The majority of customers have automatic updating enabled and will not need to take any action because the updates will be downloaded and installed automatically.
Summary: This security update resolves vulnerabilities in Microsoft Windows. The most severe of the vulnerabilities could allow remote code execution if an attacker is able to log on to a target system and run a specially crafted application.