MS15-048: Vulnerabilities in the .NET Framework could allow elevation of privilege: May 12, 2015

Applies to: .NET Framework 4.5.NET Framework 3.5.1

Introduction


This update resolves vulnerabilities in the Microsoft .NET Framework that include the following:
  • Vulnerabilities that could allow elevation of privilege if an attacker sends specially crafted data to a WinForms application that is running in partial trust
  • Vulnerabilities that could allow denial of service (DoS)

Summary


Microsoft has released security bulletin MS15-048. 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 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 more 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, 4.5.1, and 4.5.2
  • 3032663 MS15-048: Description of the security update for the .NET Framework 4.5.1 and 4.5.2 on Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2: May 12, 2015
  • 3023222 MS15-048: Description of the security update for the .NET Framework 4.5.1 and 4.5.2 on Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2: May 12, 2015
  • 3035489 MS15-048: Description of the security update for the .NET Framework 4.5, 4.5.1, and 4.5.2 on Windows 8, Windows RT, and Windows Server 2012: May 12, 2015
  • 3023223 MS15-048: Description of the security update for the .NET Framework 4.5, 4.5.1, and 4.5.2 on Windows 8, Windows RT, and Windows Server 2012: May 12, 2015
  • 3035490 MS15-048: Description of the security update for the .NET Framework 4.5, 4.5.1, and 4.5.2 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 12, 2015
  • 3023224 MS15-048: Description of the security update for the .NET Framework 4.5, 4.5.1, and 4.5.2 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 12, 2015
Microsoft .NET Framework 4
  • 3023221 MS15-048: Description of the security update for the .NET Framework 4 on Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2: May 12, 2015
  • 3032662 MS15-048: Description of the security update for the .NET Framework 4 on Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2: May 12, 2015
Microsoft .NET Framework 3.5.1
  • 3032655 MS15-048: 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 12, 2015
  • 3023215 MS15-048: 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 12, 2015
Microsoft .NET Framework 3.5
  • 3035487 MS15-048: Description of the security update for the .NET Framework 3.5 on Windows 8.1 and Windows Server 2012 R2: May 12, 2015
  • 3023219 MS15-048: Description of the security update for the .NET Framework 3.5 on Windows 8.1 and Windows Server 2012 R2: May 12, 2015
  • 3035486 MS15-048: Description of the security update for the .NET Framework 3.5 on Windows 8 and Windows Server 2012: May 12, 2015
  • 3023217 MS15-048: Description of the security update for the .NET Framework 3.5 on Windows 8 and Windows Server 2012: May 12, 2015
Microsoft .NET Framework 2.0
  • 3035485 MS15-048: 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 12, 2015
  • 3035488 MS15-048: Description of the security update for the .NET Framework 2.0 Service Pack 2 on Windows Server 2003: May 12, 2015
  • 3023220 MS15-048: Description of the security update for the .NET Framework 2.0 Service Pack 2 on Windows Server 2003: May 12, 2015
  • 3023213 MS15-048: 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 12, 2015
Microsoft .NET Framework 1.1
  • 3023211 MS15-048: 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 12, 2015

Update replacement information

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

Applies to

This article applies to the following:
  • Microsoft .NET Framework 4.5.2 when used with:
    • Windows Server 2012 R2
    • Windows 8.1
    • Windows RT 8.1
    • Windows Server 2012
    • Windows 8
    • Windows RT
    • Windows Server 2008 R2 Service Pack 1
    • Windows 7 Service Pack 1
    • Windows Server 2008 Service Pack 2
    • Windows Vista Service Pack 2
  • Microsoft .NET Framework 4.5.1 when used with:
    • Windows Server 2012 R2
    • Windows 8.1
    • Windows RT 8.1
    • Windows Server 2012
    • Windows 8
    • Windows RT
    • Windows Server 2008 R2 Service Pack 1
    • Windows 7 Service Pack 1
    • Windows Server 2008 Service Pack 2
    • Windows Vista Service Pack 2
  • Microsoft .NET Framework 4.5 when used with:
    • Windows Server 2012
    • Windows 8
    • Windows RT
    • Windows Server 2008 R2 Service Pack 1
    • Windows 7 Service Pack 1
    • Windows Server 2008 Service Pack 2
    • Windows Vista Service Pack 2
  • Microsoft .NET Framework 4 when used with:
    • Windows Server 2008 R2 Service Pack 1
    • Windows 7 Service Pack 1
    • Windows Server 2008 Service Pack 2
    • Windows Vista Service Pack 2
    • Windows Server 2003 Service Pack 2
  • Microsoft .NET Framework 3.5.1 when used with:
    • Windows Server 2008 R2 Service Pack 1
    • Windows 7 Service Pack 1
  • Microsoft .NET Framework 3.5 when used with:
    • Windows Server 2012 R2
    • Windows 8.1
    • Windows Server 2012
    • Windows 8
  • Microsoft .NET Framework 2.0 Service Pack 2 when used with:
    • Windows Server 2008 Service Pack 2
    • Windows Vista Service Pack 2
    • Windows Server 2003 Service Pack 2
  • Microsoft .NET Framework 1.1 Service Pack 1 when used with:
    • Windows Server 2003 Service Pack 2