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Microsoft Knowledge Base Article

This article contents is Microsoft Copyrighted material.
©2005-©2007 Microsoft Corporation. All rights reserved. Terms of Use | Trademarks

Article ID: 974378 - Last Review: October 13, 2009 - Revision: 1.1

MS09-061: Vulnerability in the .NET common language runtime could allow Remote Code Execution

View products that this article applies to.

INTRODUCTION

Microsoft has released security bulletin MS09-061. To view the complete security bulletin, visit one of the following Microsoft Web sites:

Home users:
http://www.microsoft.com/security/updates/bulletins/200910.aspx (http://www.microsoft.com/security/updates/bulletins/200910.aspx)
Skip the details: Download the updates for your home computer or laptop from the Microsoft Update Web site now:
http://update.microsoft.com/microsoftupdate (http://update.microsoft.com/microsoftupdate/)
IT professionals:
http://www.microsoft.com/technet/security/bulletin/MS09-061.mspx (http://www.microsoft.com/technet/security/bulletin/MS09-061.mspx)

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How to obtain help and support for this security update

For home users, no-charge support is available by calling 1-866-PCSAFETY in the United States and Canada or by contacting your local Microsoft subsidiary. For more information about how to contact your local Microsoft subsidiary for support issues with security updates, visit the Microsoft International Support Web site:

http://support.microsoft.com/common/international.aspx?rdpath=4 (http://support.microsoft.com/common/international.aspx?rdpath=4)

North American customers can also obtain instant access to unlimited no-charge e-mail support or to unlimited individual chat support by visiting the following Microsoft Web site:

http://support.microsoft.com/oas/default.aspx?&prid=7552 (http://support.microsoft.com/oas/default.aspx?&prid=7552)

For enterprise customers, support for security updates is available through your usual support contacts.

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MORE INFORMATION

Known issues and additional information about this security update

For more information about this security update and for information about any known issues with specific releases of this software, click the following article number to view the article in the Microsoft Knowledge Base:

974417Â (http://kbalertz.com/Feedback.aspx?kbNumber=974417/ ) MS09-061: Description of the security update for the Microsoft .NET Framework 2.0 Service Pack 2 and the Microsoft .NET Framework 3.5 Service Pack 1: October 13, 2009

974291Â (http://kbalertz.com/Feedback.aspx?kbNumber=974291/ ) MS09-061: Description of the security update for the Microsoft .NET Framework 2.0 Service Pack 1 on Windows Vista Service Pack 1 and Windows Server 2008: October 13, 2009

974292Â (http://kbalertz.com/Feedback.aspx?kbNumber=974292/ ) MS09-061: Description of the security update for the Microsoft .NET Framework 2.0 Service Pack 1 and the Microsoft .NET Framework 3.5 on Windows Vista: October 13, 2009

974293Â (http://kbalertz.com/Feedback.aspx?kbNumber=974293/ ) MS09-061: Description of the security update for the .NET Framework 3.5.1 for RC and IDX versions of Windows 7 and Windows Server 2008 R2: October 13, 2009

974467Â (http://kbalertz.com/Feedback.aspx?kbNumber=974467/ ) MS09-061: Description of the security update for the Microsoft .NET Framework 2.0 Service Pack 2 and the Microsoft .NET Framework 3.5 Service Pack 1 on Windows Vista 32-bit edition and Windows Vista 64-bit edition: October 13, 2009

974468Â (http://kbalertz.com/Feedback.aspx?kbNumber=974468/ ) MS09-061: Description of the security update for the Microsoft .NET Framework 2.0 on Windows Vista 32-bit edition and Windows Vista 64-bit edition: October 13, 2009

974469Â (http://kbalertz.com/Feedback.aspx?kbNumber=974469/ ) MS09-061: Description of the security update for the Microsoft .NET Framework 2.0 Service Pack 2 and the Microsoft .NET Framework 3.5 Service Pack 1 on Windows Vista Service Pack 1 and Windows Server 2008: October 13, 2009

974470Â (http://kbalertz.com/Feedback.aspx?kbNumber=974470/ ) MS09-061: Description of the security update for the Microsoft .NET Framework 2.0 Service Pack 2 on Windows Vista Service Pack 2 and Windows Server 2008 Service Pack 2: October 13, 2009

974714Â (http://kbalertz.com/Feedback.aspx?kbNumber=974714/ ) MS09-061: Description of the security update for the .NET Framework 3.5.1 for Windows 7 IDX and Windows Server 2008 R2 IDX: October 13, 2009

953295Â (http://kbalertz.com/Feedback.aspx?kbNumber=953295/ ) MS09-061: Description of the security update for the Microsoft .NET Framework 1.0 Service Pack 3 on Windows XP Media Center Edition 2005 and Windows XP Tablet PC Edition 2005: October 13, 2009

953297Â (http://kbalertz.com/Feedback.aspx?kbNumber=953297/ ) MS09-061: Description of the security update for the Microsoft .NET Framework 1.1 Service Pack 1: October 13, 2009

953298Â (http://kbalertz.com/Feedback.aspx?kbNumber=953298/ ) MS09-061: Description of the security update for the Microsoft .NET Framework 1.1 Service Pack 1 on Windows Server 2003 (32-bit): October 13, 2009

953300Â (http://kbalertz.com/Feedback.aspx?kbNumber=953300/ ) MS09-061: Description of the security update for the Microsoft .NET Framework 2.0 Service Pack 1 and the Microsoft .NET Framework 3.5 on Windows 2000, Windows XP, and Windows Server 2003: October 13, 2009

960043Â (http://kbalertz.com/Feedback.aspx?kbNumber=960043/ ) Dual Branch Servicing for the .NET Framework 2.0 Service Pack 2, the .NET Framework 3.0 Service Pack 2, and the .NET Framework 3.5 Service Pack 1

976220Â (http://kbalertz.com/Feedback.aspx?kbNumber=976220/ ) Description of the Patch Registration Cleanup Tool

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APPLIES TO

Windows 7 Enterprise
Windows 7 Home Basic
Windows 7 Home Premium
Windows 7 Professional
Windows 7 Ultimate
Windows Server 2008 R2 Standard
Windows Server 2008 R2 Enterprise
Windows Server 2008 R2 Datacenter
Windows Server 2008 Service Pack 2, when used with:

Windows Server 2008 Datacenter without Hyper-V
Windows Server 2008 Enterprise without Hyper-V
Windows Server 2008 for Itanium-Based Systems
Windows Server 2008 Standard without Hyper-V
Windows Server 2008 Datacenter
Windows Server 2008 Enterprise
Windows Server 2008 Standard
Windows Web Server 2008

Windows Vista Service Pack 2, when used with:

Windows Vista Business
Windows Vista Enterprise
Windows Vista Home Basic
Windows Vista Home Premium
Windows Vista Starter
Windows Vista Ultimate
Windows Vista Enterprise 64-bit Edition
Windows Vista Home Basic 64-bit Edition
Windows Vista Home Premium 64-bit Edition
Windows Vista Ultimate 64-bit Edition
Windows Vista Business 64-bit Edition

Windows Vista Service Pack 1, when used with:

Windows Vista Business
Windows Vista Enterprise
Windows Vista Home Basic
Windows Vista Home Premium
Windows Vista Starter
Windows Vista Ultimate
Windows Vista Enterprise 64-bit Edition
Windows Vista Home Basic 64-bit Edition
Windows Vista Home Premium 64-bit Edition
Windows Vista Ultimate 64-bit Edition
Windows Vista Business 64-bit Edition

Microsoft Windows Server 2003 Service Pack 2, when used with:

Microsoft Windows Server 2003, Standard Edition (32-bit x86)
Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
Microsoft Windows Server 2003, Web Edition
Microsoft Windows Server 2003, Datacenter x64 Edition
Microsoft Windows Server 2003, Enterprise x64 Edition
Microsoft Windows Server 2003, Standard x64 Edition
Microsoft Windows XP Professional x64 Edition
Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems

Microsoft Windows XP Service Pack 2, when used with:

Microsoft Windows XP Home Edition
Microsoft Windows XP Professional

Microsoft Windows XP Service Pack 3, when used with:

Microsoft Windows XP Home Edition
Microsoft Windows XP Professional

Microsoft .NET Framework 3.5 Service Pack 1

Microsoft Windows Server 2003, Standard Edition (32-bit x86)
Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
Microsoft Windows Server 2003, Web Edition
Microsoft Windows Server 2003, Datacenter x64 Edition
Microsoft Windows Server 2003, Enterprise x64 Edition
Microsoft Windows Server 2003, Standard x64 Edition
Microsoft Windows XP Professional x64 Edition
Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional

Microsoft .NET Framework 3.5
Microsoft .NET Framework 3.0 Service Pack 2

Windows Vista Enterprise 64-bit Edition
Windows Vista Home Basic 64-bit Edition
Windows Vista Home Premium 64-bit Edition
Windows Vista Ultimate 64-bit Edition
Windows Vista Business 64-bit Edition
Windows Vista Business
Windows Vista Enterprise
Windows Vista Home Basic
Windows Vista Home Premium
Windows Vista Starter
Windows Vista Ultimate
Microsoft Windows Server 2003, Standard Edition (32-bit x86)
Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
Microsoft Windows Server 2003, Web Edition
Microsoft Windows Server 2003, Datacenter x64 Edition
Microsoft Windows Server 2003, Enterprise x64 Edition
Microsoft Windows Server 2003, Standard x64 Edition
Microsoft Windows XP Professional x64 Edition
Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional
Microsoft Windows 2000 Service Pack 4

Microsoft .NET Framework 2.0 Service Pack 1 (x86)

Windows Vista Enterprise 64-bit Edition
Windows Vista Home Basic 64-bit Edition
Windows Vista Home Premium 64-bit Edition
Windows Vista Ultimate 64-bit Edition
Windows Vista Business 64-bit Edition
Windows Vista Business
Windows Vista Enterprise
Windows Vista Home Basic
Windows Vista Home Premium
Windows Vista Starter
Windows Vista Ultimate

Microsoft .NET Framework 2.0, when used with:

Windows Vista Enterprise 64-bit Edition
Windows Vista Home Basic 64-bit Edition
Windows Vista Home Premium 64-bit Edition
Windows Vista Ultimate 64-bit Edition
Windows Vista Business 64-bit Edition
Windows Vista Business
Windows Vista Enterprise
Windows Vista Home Basic
Windows Vista Home Premium
Windows Vista Starter
Windows Vista Ultimate

Microsoft .NET Framework 1.0 Service Pack 3, when used with:

Microsoft Windows XP Media Center Edition 2005
Microsoft Windows XP Tablet PC Edition 2005

Microsoft .NET Framework 1.1 Service Pack 1, when used with:

Microsoft Windows Server 2003, Standard Edition
Microsoft Windows Server 2003, Enterprise Edition
Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
Microsoft Windows Server 2003, Web Edition

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atdownload kbbug kbexpertiseinter kbfix kbsecbulletin kbsecurity kbsecvulnerability kbsurveynew KB974378

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MS09-061: Vulnerability in the .NET common language runtime could allow Remote Code Execution

Microsoft Knowledge Base Article

MS09-061: Vulnerability in the .NET common language runtime could allow Remote Code Execution

On This Page

INTRODUCTION

How to obtain help and support for this security update

MORE INFORMATION

Known issues and additional information about this security update

APPLIES TO

Keywords:Â