MS11-053: Description of the update for Bluetooth Stack for Windows 7 and Windows Vista Service Pack 2: July 12, 2011

• Home users:
  http://www.microsoft.com/security/pc-security/bulletins/201107.aspx (http://www.microsoft.com/security/pc-security/bulletins/201107.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://www.microsoft.com/technet/security/bulletin/MS11-053.mspx (http://www.microsoft.com/technet/security/bulletin/MS11-053.mspx)

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How to obtain help and support for this security update

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Known issues with this security update

• If you are running Windows 7, we recommend that you install update 2552343 before you install this security update. Your system is automatically offered update 2552343 when you use Microsoft Update.
• After you install this security update, you may be prompted to install this security update again when you scan the system by using Windows Update, Microsoft Update, Microsoft Windows Server Update Services (WSUS) server or Microsoft Baseline Security Analyzer (MBSA). This issue may occur if you installed this security update, but you have not installed update 2552343. To resolve this issue, approve the installation of update 2552343 in WSUS or install update 2552343 (http://support.microsoft.com/kb/2552343) from Windows Update, Microsoft Update or from the Microsoft Download center, or re-install the security update a second time. You should not see any subsequent re-offer.
  
  For more information about this issue, click the following article number to view the article in the Microsoft Knowledge Base:
  2552343  (http://support.microsoft.com/kb/2552343/ ) Time-out error occurs when you install a Windows Update package that contains drivers on a computer that is running Windows 7 or Windows Server 2008 R2
• Affected Windows Vista SP1 systems that are upgraded to Windows Vista SP2
  
  Consider the following scenario. You are running a system that was upgraded from Windows Vista Service Pack 1 to Windows Vista Service Pack 2. Whether or not the system has update 942567 installed, the system will have support for Bluetooth 2.1 technology and is affected by this vulnerability. Therefore, you must install this security update.
  
  
  
  For more information about update 942567, click the following article number to view the article in the Microsoft Knowledge Base:
  942567  (http://support.microsoft.com/kb/942567/ ) Description of the Windows Vista Feature Pack for Wireless
• Windows Vista and Windows 7 systems without Bluetooth technology
  
  Windows Vista and Windows 7 support lots of Bluetooth radios. Windows Vista and Windows 7 will install the Bluetooth driver when a removable Bluetooth device is added to the system. To protect customers in this situation, all Windows Vista SP2 and Windows 7 systems are considered to be affected by this vulnerability even if the system does not currently have a Bluetooth device installed.
  
  For more information, visit the following MSDN webpage:
  Bluetooth Wireless Technology FAQ - 2010 (http://msdn.microsoft.com/en-us/windows/hardware/gg487349.aspx)

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Windows Vista SP2 file information

• The files that apply to a specific product, milestone (SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
  Collapse this tableExpand this table

  Version	Product	Milestone	Service branch
  6.0.6001.18xxx	Windows Vista SP1	SP1	GDR
  6.0.6001.22xxx	Windows Vista SP1	SP1	LDR
  6.0.6002.18xxx	Windows Vista SP2	SP2	GDR
  6.0.6002.22xxx	Windows Vista SP2	SP2	LDR

• Service Pack 1 is integrated into the release version of Windows Server 2008. Therefore, RTM milestone files apply only to Windows Vista. RTM milestone files have a 6.0.0000.xxxxxx version number.
• GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
• The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. The security catalog files (attributes not listed) are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows Vista SP2

For all supported x64-based versions of Windows Vista SP2

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Additional file information for Windows Vista SP2

Additional files for all supported x86-based versions of Windows Vista SP2

Additional files for all supported x64-based versions of Windows Vista SP2

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Windows 7 file information

• The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
  
  Collapse this tableExpand this table

  Version	Product	Milestone	Service branch
  6.1.7600.16xxx	Windows 7	RTM	GDR
  6.1.7600.20xxx	Windows 7	RTM	LDR
  6.1.7600.17xxx	Windows 7	SP1	GDR
  6.1.7600.21xxx	Windows 7	SP1	LDR

• GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
• The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 7" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows 7

For all supported x64-based versions of Windows 7

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Additional file information for Windows 7

Additional files for all supported x86-based versions of Windows 7

Additional files for all supported x64-based versions of Windows 7

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