Microsoft has released security bulletin MS07-027. The security bulletin contains all the relevant information about the security update. This information includes file manifest information and deployment options. To view the complete security bulletin, visit one of the following Microsoft Web sites:

•	Home users: http://www.microsoft.com/protect/computer/updates/bulletins/200705.mspx (http://www.microsoft.com/protect/computer/updates/bulletins/200705.mspx) Skip the details: Download the update 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/ms07-027.mspx (http://www.microsoft.com/technet/security/bulletin/ms07-027.mspx)

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Known issues with this security update

•	ActiveX controls that prompt before they are loaded Note This issue occurs on Web sites that do not use the recommended techniques. This issue is resolved by using the techniques that are described on the following Microsoft Web site: http://msdn2.microsoft.com/en-us/library/ms537508.aspx (http://msdn2.microsoft.com/en-us/library/ms537508.aspx) When certain controls are loaded on a Web page, the controls are not correctly masked by the functionality of this update. These controls include controls that are used in Macromedia Shockwave Director, in QuickTime Player, and in Virtools Web Player. When Windows determines that a control is inactive, the system prompts the user before the control is loaded.
•	Using monikers is no longer supported in Internet Explorer. For more information about this issue, click the following article number to view the article in the Microsoft Knowledge Base: 906294 (http://support.microsoft.com/kb/906294/) The use of monikers is no longer supported in Internet Explorer after installing the security updates provided by cumulative security update 896727 (MS05-038)
•	After you install the Internet Explorer May 2007 Cumulative Security Update (MS07-027) for Windows Internet Explorer 7, you may be prompted with a File Download Security Warning dialog box that asks you to save the "navcancl" file. For more information about this issue, click the following article number to view the article in the Microsoft Knowledge Base: 937409 (http://support.microsoft.com/kb/937409/) The "File Download – Security Warning" dialog box opens when you try to open Internet Explorer 7
•	You may receive an error message that resembles the following when you try to visit a Web page in Windows Internet Explorer 7: Webpage cannot be displayed For more information about this issue, click the following article number to view the article in the Microsoft Knowledge Base: 942818 (http://support.microsoft.com/kb/942818/) Error message after you install a Windows Internet Explorer 7 update from Windows Update or from Microsoft Update: "Webpage cannot be displayed"
•	After you install this update, some Web applications that require a large block of contiguous memory may not run because of an insufficient-memory issue. These Web applications are not used only in Internet Explorer. For more information about this issue, click the following article number to view the article in the Microsoft Knowledge Base: 950060 (http://support.microsoft.com/kb/950060/) Some Web applications that require a large block of contiguous memory may not run after you install cumulative update 931768 (MS07-027) for Windows Internet Explorer 7

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Non-security-related fixes that are included in this security update

General distribution release (GDR) fixes

Individual updates may or may not be installed depending on the version of Windows and the version of the affected application. Please view the individual articles to determine your update status.

•	928494 (http://support.microsoft.com/kb/928494/) InfoPath 2003 crashes when you click inside the Date Picker control on a form and then press the LEFT ARROW key
•	928540 (http://support.microsoft.com/kb/928540/) The "File Download" dialog box in Internet Explorer 6 closes unexpectedly even after you apply hotfix 896017
•	929726 (http://support.microsoft.com/kb/929726/) FIX: Error message when you enumerate the cache in Windows Internet Explorer 7: "ERROR_INVALID_PARAMETER"
•	931657 (http://support.microsoft.com/kb/931657/) The e-mail message header does not print when you try to print an e-mail message by using either Microsoft Office Outlook 2003 or Microsoft Outlook Express
•	932538 (http://support.microsoft.com/kb/932538/) When you print an e-mail message in either Office Outlook 2003 or Outlook Express, the printed message is so small that it is unreadable
•	934817 (http://support.microsoft.com/kb/934817/) BUG: A script that uses the execCommand function together with the SaveAs command does not save a Web page in Internet Explorer 7 on a Windows Vista-based computer
•	929864 (http://support.microsoft.com/kb/929864/) ActiveX controls are inactive when you access a Web page by using Internet Explorer 7
•	932537 (http://support.microsoft.com/kb/932537/) Web page content does not update as expected when you move the pointer into an inline frame in Internet Explorer 7
•	932543 (http://support.microsoft.com/kb/932543/) Internet Explorer 7 stops responding on a computer that is running the Korean version of Yahoo! Toolbar
•	934819 (http://support.microsoft.com/kb/934819/) FIX: After you install Internet Explorer 7, the Inetinfo.exe process may stop responding on a computer that is running both Windows Server 2003 Service Pack 1 and IIS 6.0
•	932600 (http://support.microsoft.com/kb/932600/) In some scenarios, you must remove Windows Server 2003 SP2 before you upgrade to the full retail version of Windows Small Business Server 2003 or migrate to Microsoft Windows Server 2003

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Hotfixes

Security update 931768 packages for Windows XP and for Windows Server 2003 include Internet Explorer hotfix files and general distribution release (GDR) files. If no existing Internet Explorer files are from the hotfix environment, security update 931768 installs the GDR files. Hotfixes are intended to correct only the problems that are described in the Microsoft Knowledge Base articles that are associated with the hotfixes. Apply hotfixes only to systems that are experiencing these specific problems. These hotfixes may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains these hotfixes. For more information about how to apply the hotfixes that are included in security update 931768, click the following article number to view the article in the Microsoft Knowledge Base: Note In addition to installing hotfix files, review the Microsoft Knowledge Base article that is associated with the specific hotfix that you have to install to determine the registry modification that is required to enable that specific hotfix. For more information about how to determine whether your existing Internet Explorer files are from the hotfix or from the GDR environment, click the following article number to view the article in the Microsoft Knowledge Base: The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

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