MS13-040: Vulnerabilities in the .NET Framework could allow spoofing: May 14, 2013

Introduction

Resolves a vulnerability in the Microsoft .NET Framework that could allow identity spoofing on a client system.

Summary

Microsoft has released security bulletin MS13-040. You can view the complete security bulletin by going to one of the following Microsoft websites:

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 Windows-based computer from viruses and malware: Virus Solution and Security Center

Local support according to your country: International Support

More Information

More information about this update

The following articles contain additional information about this update as it relates to individual product versions. The articles may contain information that is specific to the individual updates, such as download URL, prerequisites, and command-line switches.
The Microsoft .NET Framework 4.5
  • 2804583 MS13-040: Description of the security update for the .NET Framework 4.5 on Windows 8, Windows RT, and Windows Server 2012: May 14, 2013





    Known issues in security update 2804583:



    • Windows Update will not offer this security update to Windows RT-based computers until update 2808380 has been installed. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
      2808380 Windows RT-based device cannot download software updates or Windows Store apps
  • 2804582 MS13-040: Description of the security update for the .NET Framework 4.5 on Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1, Windows Vista Service Pack 2, and Windows Server 2008 Service Pack 2: May 14, 2013
The Microsoft .NET Framework 4
  • 2804576 MS13-040: Description of the security update for the .NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2: May 14, 2013
The Microsoft .NET Framework 3.5.1
  • 2804579 MS13-040: Description of the security update for the .NET Framework 3.5.1 on Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1: May 14, 2013
The Microsoft .NET Framework 3.5
  • 2804584 MS13-040: Description of the security update for the .NET Framework 3.5 on Windows 8 and Windows Server 2012: May 14, 2013
The Microsoft .NET Framework 2.0
  • 2804580 MS13-040: Description of the security update for the .NET Framework 2.0 Service Pack 2 on Windows Vista Service Pack 2 and Windows Server 2008 Service Pack 2: May 14, 2013
  • 2804577 MS13-040: Description of the security update for the .NET Framework 2.0 Service Pack 2 on Windows XP and Windows Server 2003: May 14, 2013

Update replacement information

Update replacement information for each specific update can be found in the Knowledge Base articles that correspond to this update.
File hash information

Applies to

This article applies to the following:
  • Microsoft .NET Framework 4.5 when used with:
    • Windows 8
    • Windows RT
    • Windows Server 2012
    • 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 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
    • Windows XP Service Pack 3
    • Windows Server 2003 Service Pack 2
  • Microsoft .NET Framework 3.5.1 when used with:
    • Windows 7 Service Pack 1
    • Windows Server 2008 R2 Service Pack 1
  • Microsoft .NET Framework 3.5 when used with:
    • Windows 8
    • Windows Server 2012
  • Microsoft .NET Framework 2.0 Service Pack 2 when used with:
    • Windows Vista Service Pack 2
    • Windows Server 2008 Service Pack 2
    • Windows XP Service Pack 3
    • Windows Server 2003 Service Pack 2
Properties

Article ID: 2836440 - Last Review: May 14, 2013 - Revision: 1

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