MS14-057: Description of the security update for the .NET Framework 4.5, the .NET Framework 4.5.1, and the .NET Framework 4.5.2 for Windows Vista SP2, Windows Server 2008 SP2, Windows 7 SP1, and Windows Server 2008 R2 SP1: October 14, 2014

View products that this article applies to.

This security update resolves the vulnerabilities that could allow elevation of privileges by improving how the Microsoft .NET Framework communicates with the ClickOnce installer process.

Microsoft has released security bulletin MS14-057. Learn more about how to obtain the fixes that are included in this security bulletin:

• For individual, small business and organizational users, use the Windows automatic updating feature to install the fixes from Microsoft Update. To do this, see Stay up-to-date for more secure web browsing on the Microsoft Safety and Security Center website.
  
• For IT professionals, see Microsoft Security Bulletin MS14-057 on the Security TechCenter website.

How to obtain help and support for this security update

Help installing updates: Support for Microsoft Update

Security solutions for IT professionals: TechNet Security troubleshooting and support

Help protect your computer that is running Windows from viruses and malware: Virus and Security Solution Center

Local support according to your country: International support

More information about this security update

Download information

To install this update, install it from Windows Update.

Additionally, you can install this update from the Microsoft Download Center.

Prerequisites

To install this update, you must have Windows Installer 3.1 or a later version installed on the computer.

Command-line switches for this update

Learn about the various command-line switches that are supported by this Microsoft .NET Framework update.

Restart information

This update does not require a system restart after you apply it unless files being updated are locked or in use.

Update replacement information

This update does not replace any previously released update.

Update removal information

Note We do not recommend that you remove any security update.

To remove this update, use the Programs and Features item in Control Panel.

File information

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.

For all supported x86-based versions of systems

GDR Service BranchLDR Service Branch

For all supported x64-based versions of systems

GDR Service BranchLDR Service Branch

Applies to

This article applies to the following:

• Microsoft .NET Framework 4.5.2 when used with:
  • Windows 7 Service Pack 1
  • Windows Server 2008 R2 Service Pack 1
  • Windows Vista Service Pack 2
  • Windows Server 2008 Service Pack 2
• Microsoft .NET Framework 4.5.1 when used with:
  • Windows 7 Service Pack 1
  • Windows Server 2008 R2 Service Pack 1
  • Windows Vista Service Pack 2
  • Windows Server 2008 Service Pack 2
• Microsoft .NET Framework 4.5 when used with:
  • Windows 7 Service Pack 1
  • Windows Server 2008 R2 Service Pack 1
  • Windows Vista Service Pack 2
  • Windows Server 2008 Service Pack 2