How to obtain and install the update Method 1: Windows Update. This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically.

The updates are now available for installation through WSUS. Update deployment information. For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:

How to obtain and install the update Method 1: Windows Update. This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically.

For more information, click the following article number to view the article in the Microsoft Knowledge Base: 3214106 Known issue in the December Security and Quality Rollups 3210137 and 3210138 for the .NET Framework 4.5.2 on Windows 8.1, Windows Server 2012 R2, and Windows Server 2012

The updates are now available for installation through WSUS. Update deployment information. For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:

Enhanced Key Usage (EKU) is described in RFC 5280 in section 4.2.1.12: This extension indicates one or more purposes for which the certified public key may be used, in addition to or in place of the basic purposes that are indicated in the key usage extension.For example, a certificate that’s used for the authentication of a client to a server must be configured for Client Authentication.

4055267 Security and Quality Rollup for the .NET Framework 2.0 SP2, 3.0 SP2, 4.5.2, and 4.6 updates for Windows Server 2008 SP2 (KB 4055267). How to obtain and install the update Method 1: Windows Update. This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically.

Additional information about this security update. For more information about this security update as it relates to Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2, see the following article in the Microsoft Knowledge Base:

Summary. 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.

Sign in to SharePoint. SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint. Tip: If you don't see the SharePoint app under All apps, use the Search box near ...