This optional nonsecurity update will help you verify that your eligible Windows 7 Service Pack 1 (SP1) and Server 2008 R2 SP1 devices can continue to get Extended Security Updates (ESUs) after the end of support date of January 14, 2020. Notes. This update has no actual security content.

How to get this update. Method 1: Windows Update. This update is available through Windows Update. It will be downloaded and installed automatically. Method 2: Microsoft Update Catalog. To get the stand-alone package for this update, go to the Microsoft Update Catalog website. Method 3: Windows Server Update Services.

Ultimate. IMPORTANT Starting in August, 2019, updates to .NET Framework 4.6 and above, for Windows Server 2008 R2 SP1, and Windows 7SP1, require SHA-2 Code signing support. Please make sure that you have all the latest Windows Updates before applying this update to avoid installation issues.

A remote code execution vulnerability exists in .NET Framework when the software fails to check the source markup of XML file input. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the process responsible for deserialization of the XML content.

Windows 7 Windows 8.1. Important: This update is not intended to target Enterprise devices. Specifically, this update targets devices that run Windows 7 SP1 or later versions and Windows 8.1 or later versions that are either Home, Professional, Ultimate, Starter, or Core editions.

How to get this update. Method 1: Windows Update. This update is available through Windows Update. It will be downloaded and installed automatically. Method 2: Microsoft Update Catalog. To get the stand-alone package for this update, go to the Microsoft Update Catalog website. Method 3: Windows Server Update Services.

For Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1, extended support ends on January 14, 2020. For Windows Embedded Standard 7, extended support ends on October 13, 2020. For more information about ESU and which editions are supported, see KB4497181.

How to get this update. Method 1: Windows Update. This update is available through Windows Update. It will be downloaded and installed automatically. Method 2: Microsoft Update Catalog. To get the stand-alone package for this update, go to the Microsoft Update Catalog website. Method 3: Windows Server Update Services.

How to get this update. Before installing this update. Microsoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU.

Summary. This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) makes sure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.