MS14-026: Vulnerability in the .NET Framework could allow elevation of privilege: May 13, 2014

Introduction

This update resolves a vulnerability in the Microsoft .NET Framework that could allow elevation of privilege if an unauthenticated attacker sends specially crafted data to an affected workstation or server that has the .NET Framework Remoting feature enabled.

Summary

Microsoft has released security bulletin MS14-026. Learn more about how to obtain the fixes that are included in this security bulletin: 

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 Solution and Security Center

Local support according to your country: International Support

More Information

Additional information about this update

The following articles contain additional information about this update as it relates to individual product versions. The articles may contain specific information to the individual updates such as the download URL, prerequisites, and command-line switches.
Microsoft .NET Framework 4.5.1
  • 2931366  MS14-026: Description of the security update for the .NET Framework 4.5.1 on Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2: May 13, 2014
  • 2931367  MS14-026: Description of the security update for the .NET Framework 4.5.1 on Windows 8, Windows RT, and Windows Server 2012: May13, 2014
  • 2931368  MS14-026: Description of the security update for the .NET Framework 4.5.1 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 13, 2014
Microsoft .NET Framework 4
  • 2931365  MS14-026: 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 13, 2014
Microsoft .NET Framework 3.5.1
  • 2931356  MS14-026: 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 13, 2014
Microsoft .NET Framework 3.5
  • 2931358  MS14-026: Description of the security update for the .NET Framework 3.5 on Windows 8.1 and Windows Server 2012 R2: May 13, 2014
  • 2931357  MS14-026: Description of the security update for the .NET Framework 3.5 on Windows 8 and Windows Server 2012: May 13, 2014
Microsoft .NET Framework 2.0
  • 2931354  MS14-026: 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 13, 2014
  • 2932079  MS14-026: Description of the security update for the .NET Framework 2.0 Service Pack 2 on Windows XP and Windows Server 2003: May 13, 2014
Microsoft .NET Framework 1.1
  • 2931352  MS14-026: Description of the security update for the .NET Framework 1.1 Service Pack 1 on Windows Server 2003 Service Pack 2 32-bit Edition: May 13, 2014

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 4.5.1 when used with:
    • Windows 8.1
    • Windows RT 8.1
    • Windows Server 2012 R2
    • 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 4.5 when used with:
    • Windows 8.1
    • Windows RT 8.1
    • Windows Server 2012 R2
    • 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 8.1
    • Windows Server 2012 R2
    • 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
  • Microsoft .NET Framework 1.1 Service Pack 1 when used with:
    • Windows Server 2003 Service Pack 2
Properties

Article ID: 2958732 - Last Review: May 13, 2014 - Revision: 1

Feedback