This update resolves a vulnerability in the Microsoft .NET Framework 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 XAML Browser Applications (XBAPs).
Microsoft has released the security bulletin MS13-052. You can view the complete security bulletin by going to one of the following Microsoft websites:
For information about the various command-line switches that are supported by this update, click the following article number to view the article in the Microsoft Knowledge Base:
2844699 Command-line switches for Microsoft .NET Framework security update packages
This update does not require a system restart after you apply it unless files that are being updated are locked or in use.
Update replacement information
This update replaces the following update:
2572078 MS11-078: Description of the security update for .NET Framework 4: October 11, 2011
Update removal information
Note We do not recommend that you remove any security update.
To remove this update, use the Add or Remove Programs item or the Programs and Features item in Control Panel.
The English (United States) version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.