MS11-078: Vulnerability in the .NET Framework and Microsoft Silverlight could allow remote code execution: October 11, 2011

Microsoft has released security bulletin MS11-078. To view the complete security bulletin, visit one of the following Microsoft websites:

• Home users:
  http://www.microsoft.com/security/pc-security/bulletins/201110.aspx (http://www.microsoft.com/security/pc-security/bulletins/201110.aspx)
  Skip the details: Download the updates for your home computer or laptop from the Microsoft Update website now:
  http://update.microsoft.com/microsoftupdate/ (http://update.microsoft.com/microsoftupdate/)
• IT professionals:
  http://technet.microsoft.com/security/bulletin/MS11-078 (http://technet.microsoft.com/security/bulletin/MS11-078)

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 following Microsoft International Support website: North American customers can also obtain instant access to unlimited no-charge email support or to unlimited individual chat support by visiting the following Microsoft website: For enterprise customers, support for security updates is available through your usual support contacts.

More information about this security update

Known issues and additional information about this security update

The following articles contain additional information about this security update as it relates to individual product versions. The articles may contain known issue information. If this is the case, the known issue is listed under each article link.

• 2572078  (http://support.microsoft.com/kb/2572078/ ) MS11-078: Description of the security update for the .NET Framework 4: October 11, 2011
• 2572077  (http://support.microsoft.com/kb/2572077/ ) MS11-078: Description of the security update for the .NET Framework 3.5.1 for Windows 7 SP1 and Windows Server 2008 R2 SP1: October 11, 2011
• 2572076  (http://support.microsoft.com/kb/2572076/ ) MS11-078: Description of the security update for the .NET Framework 3.5.1 for Windows 7 and Windows Server 2008 R2: October 11, 2011
• 2572075  (http://support.microsoft.com/kb/2572075/ ) MS11-078: Description of the security update for the .NET Framework 2.0 SP2 for Windows Vista and Windows Server 2008: October 11, 2011
• 2572073  (http://support.microsoft.com/kb/2572073/ ) MS11-078: Description of the security update for the .NET Framework 2.0 SP2 for Windows XP and Windows Server 2003: October 11, 2011
• 2572069  (http://support.microsoft.com/kb/2572069/ ) MS11-078: Description of the security update for the .NET Framework 1.1 SP1 for x86-based versions of Windows Server 2003 SP2: October 11, 2011
• 2572067  (http://support.microsoft.com/kb/2572067/ ) MS11-078: Description of the security update for the .NET Framework 1.1 SP1 for Windows Vista and Windows Server 2008, and for x64 and Itanium-based versions of Windows Server 2003: October 11, 2011
• 2572066  (http://support.microsoft.com/kb/2572066/ ) MS11-078: 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
• 2617986  (http://support.microsoft.com/kb/2617986/ ) MS11-078: Description of the security update for Microsoft Silverlight: October 11, 2011