Silverlight is a cross-browser, multi-environment plug-in that delivers the next generation of Microsoft .NET-based media experiences and rich interactive applications for the web. This security update is an upgrade to earlier versions of Silverlight.

This security update resolves a vulnerability in Microsoft Silverlight. The vulnerability could allow remote code execution if a user visits a compromised website that contains a specially crafted Silverlight application.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter. Download troubleshooter.

This update was released on December 12, 2014 and offers a new build (version 5.1.31211.0) of Microsoft Silverlight for users of recalled version 5.1.31010.0. For more information about Silverlight, go to the What is Silverlight? section.

Go to Control Panel > Programs > Programs and Features > Uninstall or change a program. Choose Skype for Business > Uninstall. If you don't see Skype for Business listed, then you're using a version that's integrated with other Microsoft 365 apps.

Resolves a vulnerability in Microsoft Silverlight that could allow remote code execution on a client system if a user views a specially crafted webpage by using a web browser that can run Silverlight applications.

Resolves vulnerabilities in the Microsoft .NET Framework and Microsoft Silverlight. These vulnerabilities could allow remote code execution if a user opens a specially crafted document or visits an untrusted webpage that contains embedded TrueType or OpenType fonts.

Resolves a vulnerability in Microsoft Silverlight that could allow security feature bypass if an attacker hosts a website that contains specially crafted Silverlight content. This content is designed to exploit the vulnerability and then convinces a user to view the website.

This security update resolves vulnerabilities in the Microsoft Graphics Component on Microsoft Windows, Microsoft Office, Skype for Business, Silverlight and Microsoft Lync. These vulnerabilities could allow remote code execution if a user either visits a specially crafted website or opens a specially crafted document.

Method 2: Microsoft Silverlight site. The Silverlight installer includes all previous updates in addition to this update. To install the latest version of Silverlight, go to the following Microsoft website: Get Microsoft Silverlight.