
This update also contains miscellaneous security improvements to internal OS functionality.įor more information about the resolved security vulnerabilities, please refer to the new Security Update Guide website. Key changes include:Īddresses an issue in which a driver might not install if the driver is signed with more than one code sign signatures.

This security update includes quality improvements. Verify that you have installed the required updates listed in the How to get this update section before installing this update.įor information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following article. To view other notes and messages, see the Windows 7 and Windows Server 2008 R2 update history home page.

Operating systems in extended support have only cumulative monthly security updates (known as the "B" or Update Tuesday release). Important: Windows 7 and Windows Server 2008 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases (known as "C" releases) for this operating system.
