MS11-027: Cumulative security update for ActiveX kill bits: April 12, 2011

Microsoft has released security bulletin MS11-027. To view the complete security bulletin, visit one of the following Microsoft websites:

• Home users:
  
  http://www.microsoft.com/protect/computer/updates/bulletins/201104.mspx
  Skip the details: Download the updates for your home computer or laptop from the Microsoft Update website now:
  http://update.microsoft.com/microsoftupdate
• IT professionals:
  
  http://www.microsoft.com/technet/security/bulletin/MS11-027.mspx

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

Windows XP (all versions)

Reference table

The following table contains the security update information for this software. You can find more information in the "Deployment information" section.
Note The security update for supported versions of Windows XP Professional x64 Edition is the same as the security update for supported versions of Windows Server 2003 x64 Edition.

Deployment information

To install the update

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

This security update supports the following setup switches.
Note You can combine these switches into one command. For backward compatibility, the security update also supports many of the setup switches that the earlier version of the Setup program uses.
For more information about the supported installation switches, click the following article number to view the article in the Microsoft Knowledge Base:

262841 Command-line switches for Windows software update packages

To remove the update

This security update supports the following setup switches.

To verify that the update was applied

• Microsoft Baseline Security Analyzer
  
  To verify that a security update was applied to an affected system, you may be able to use the Microsoft Baseline Security Analyzer (MBSA) tool. See the "Detection and deployment tools and guidance" section for more information.
• Registry subkey verification
  
  You may also be able to verify the files that this security update has installed by reviewing the registry subkeys listed in the reference table in this section. These registry subkeys may not contain a complete list of installed files. Also, these registry subkeys may not be created correctly when an administrator or an OEM integrates or slipstreams this security update into the Windows installation source files.

Windows Server 2003 (all versions)

Reference table

The following table contains the security update information for this software. You can find more information in the "Deployment information" section.

Deployment information

To install the update

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

This security update supports the following setup switches.
Note You can combine these switches into one command. For backward compatibility, the security update also supports many of the setup switches that the earlier version of the Setup program uses.
For more information about the supported installation switches, click the following article number to view the article in the Microsoft Knowledge Base:

262841 Command-line switches for Windows software update packages

To remove the update

This security update supports the following setup switches.

To verify that the update was applied

• Microsoft Baseline Security Analyzer
  
  To verify that a security update was applied to an affected system, you may be able to use the Microsoft Baseline Security Analyzer (MBSA) tool. See the "Detection and deployment tools and guidance" section for more information.
• Registry subkey verification
  
  You may also be able to verify the files that this security update has installed by reviewing the registry subkeys that are listed in the reference table in this section. These registry subkeys may not contain a complete list of installed files. Also, these registry subkeys may not be created correctly when an administrator or an OEM integrates or slipstreams this security update into the Windows installation source files.

Windows Vista (all versions)

Reference table

The following table contains the security update information for this software. You can find more information in the "Deployment information" section.

Deployment information

To install the update

When you install this security update, the installer checks whether one or more of the files that are being updated on the system have previously been updated by a Microsoft hotfix.
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

This security update supports the following setup switches.
For more information about the installer, click the following article number to view the article in the Microsoft Knowledge Base:

934307 Description of the Windows Update Stand-alone Installer (Wusa.exe) and of.msu files in Windows Vista, Windows 7, Windows Server 2008 and in Windows Server 2008 R2

To verify that the update was applied

• Microsoft Baseline Security Analyzer
  
  To verify that a security update was applied to an affected system, you may be able to use the Microsoft Baseline Security Analyzer (MBSA) tool. See the "Detection and deployment tools and guidance" section for more information.

Windows Server 2008 (all versions)

Reference table

The following table contains the security update information for this software. You can find more information in the "Deployment information" section.

Deployment information

To install the update

When you install this security update, the installer checks whether one or more of the files that are being updated on the system have previously been updated by a Microsoft hotfix.
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

This security update supports the following setup switches. For more information about this issue, click the following article number to view the article in the Microsoft Knowledge Base:

934307 Description of the Windows Update Stand-alone Installer (Wusa.exe) and of.msu files in Windows Vista, Windows 7, Windows Server 2008 and in Windows Server 2008 R2

To verify that the update was applied

• Microsoft Baseline Security Analyzer
  
  To verify that a security update was applied to an affected system, you may be able to use the Microsoft Baseline Security Analyzer (MBSA) tool. See the "Detection and deployment tools and guidance" section for more information.

Windows 7 (all versions)

Reference table

The following table contains the security update information for this software. You can find more information in the "Deployment information" section.

Deployment information

To install the update

When you install this security update, the installer checks whether one or more of the files that are being updated on the system have previously been updated by a Microsoft hotfix.
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

This security update supports the following setup switches.
For more information about the installer, click the following article number to view the article in the Microsoft Knowledge Base:

934307 Description of the Windows Update Stand-alone Installer (Wusa.exe) and of.msu files in Windows Vista, Windows 7, Windows Server 2008 and in Windows Server 2008 R2

To verify that the update was applied

• Microsoft Baseline Security Analyzer
  
  To verify that a security update was applied to an affected system, you may be able to use the Microsoft Baseline Security Analyzer (MBSA) tool. See the "Detection and deployment tools and guidance" section for more information.

Windows Server 2008 R2 (all versions)

Reference table

The following table contains the security update information for this software. You can find more information in the "Deployment information" section.

Deployment information

To install the update

When you install this security update, the installer checks whether one or more of the files that are being updated on the system have previously been updated by a Microsoft hotfix.
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

This security update supports the following setup switches. For more information about this issue, click the following article number to view the article in the Microsoft Knowledge Base:

934307 Description of the Windows Update Stand-alone Installer (Wusa.exe) and of.msu files in Windows Vista, Windows 7, Windows Server 2008 and in Windows Server 2008 R2

To verify that the update was applied

• Microsoft Baseline Security Analyzer
  
  To verify that a security update was applied to an affected system, you may be able to use the Microsoft Baseline Security Analyzer (MBSA) tool. See the "Detection and deployment tools and guidance" section for more information.

This section describes how to manage the software and security updates that you have to deploy to the servers, to the desktop computers, and to the mobile computers in your organization. For more information, visit the following Microsoft TechNet Update Management Center webpage: For more information about security in Microsoft products, visit the following Microsoft TechNet Security webpage: Security updates are available from Microsoft Update, Windows Update, and Office Update. Security updates are also available at the Microsoft Download Center. You can find them most easily by doing a keyword search for "security update."

Finally, security updates can be downloaded from the Microsoft Update Catalog. For more information, visit the following Microsoft webpage: The Microsoft Update Catalog provides a catalog of content that is searchable and that is available through Windows Update and through Microsoft Update. This content includes security updates, drivers, and service packs. By using a security bulletin number such as "MS08-010" for your search, you can add all the applicable updates to your basket. You can also add different languages for an update to your basket, and you can download the content to any folder that you want. For more information about the Microsoft Update Catalog, visit the following Microsoft Update Catalog FAQ webpage:

Detection and deployment guidance

Microsoft has provided detection and deployment guidance for this month's security updates. This guidance will also help IT professionals understand how they can use various tools to help deploy the security update. These tools include Windows Update, Microsoft Update, Office Update, the Microsoft Baseline Security Analyzer (MBSA), the Office Detection Tool, Microsoft Systems Management Server (SMS), and the Extended Security Update Inventory Tool.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:

910723 Summary list of monthly detection and deployment guidance articles

Microsoft Baseline Security Analyzer

Microsoft Baseline Security Analyzer (MBSA) lets administrators scan local and remote systems for missing security updates. The Microsoft Baseline Security Analyzer can also identify common security misconfigurations. For more information, visit the following Microsoft Baseline Security Analyzer webpage: The following table provides the MBSA detection summary for this security update. For more information about MBSA 2.1, visit the following Microsoft MBSA 2.1 Frequently Asked Questions webpage:

Windows Server Update Services

By using Windows Server Update Services (WSUS), administrators can deploy the latest critical updates and security updates for Windows 2000 operating systems and later versions, for Microsoft Office XP and later versions, for Microsoft Exchange Server 2003, and for Microsoft SQL Server 2000 and later versions. For more information about how to deploy this security update by using Windows Server Update Services, visit the following Microsoft Windows Server Update Services Product Overview webpage:

Systems Management Server

The following table provides the SMS detection and deployment summary for this security update.

For SMS 2.0 and for SMS 2003, the SMS SUS Feature Pack (SUSFP) that includes the Security Update Inventory Tool (SUIT) can be used by SMS to detect security updates. For more information, visit the following Microsoft webpage for Downloads for Systems Management Server 2.0: For SMS 2003, the SMS 2003 Inventory Tool for Microsoft Updates (ITMU) can be used by SMS to detect security updates that are offered by Microsoft Update and that are supported by Windows Server Update Services. For more information about the SMS 2003 ITMU, visit the following Microsoft webpage for SMS 2003 Inventory Tool for Microsoft Updates: SMS 2003 can also use the Microsoft Office Inventory Tool to detect required updates for Microsoft Office applications. For more information, visit the following Microsoft webpages:

• Systems Management Server 2003 Software Update Scanning Tools
  
  
  http://technet.microsoft.com/en-us/sms/bb676786.aspx
• Downloads for Systems Management Server 2003
  
  
  http://technet.microsoft.com/en-us/sms/bb676766.aspx

System Center Configuration Manager (Configuration Manager 2007) 2007 uses WSUS 3.0 for detection of updates. For more information about Configuration Manager 2007 Software Update Management, visit the following Microsoft webpage: Note for Windows Vista and for Windows Server 2008

Microsoft Systems Management Server 2003 with Service Pack 3 includes support for Windows Vista and for Windows Server 2008. For more information about SMS, visit the following Microsoft SMS webpage: For more information about detection and deployment guidance articles, click the following article number to view the article in the Microsoft Knowledge Base:

910723 Summary list of monthly detection and deployment guidance articles