MS08-022: Vulnerability in the VBScript and JScript scripting engines could allow remote code execution

Microsoft has released security bulletin MS08-022. 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/200804.mspx (http://www.microsoft.com/protect/computer/updates/bulletins/200804.mspx)
  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/ms08-022.mspx (http://www.microsoft.com/technet/security/bulletin/ms08-022.mspx)

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

Known issues with this security update

Issue 1

Symptoms

You install this security update on a Microsoft Windows 2000-based computer that is running a version of Microsoft Internet Explorer that is earlier than Microsoft Internet Explorer 5.5. When you do this, a script that uses features from VBScript 5.0 or a later version of VBScript does not work.

For example, you run a script that uses a feature that is provided by VBScript 5.0 or a later version of VBScript, such as RegExp. When you do this, you may receive an error message that resembles the following error message:

Cause

This issue occurs because the installer file for this security update does not add a registry entry that is associated with the new VBScript.dll file.

Workaround

To work around this issue, open a command prompt, type the following command, and then press ENTER:

Issue 2

A setup issue was causing the update for VBScript 5.6 and JScript 5.6 to not be offered, and not installed, if Windows Internet Explorer 7 is installed on the system. The solution is a detection change to this security update. Customers who have successfully updated their systems do not need to reinstall this update.

File information

The English (United States) version of this security update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

For all supported editions of Microsoft Windows 2000 Service Pack 4

For all supported 32-bit versions of Windows XP

For all supported x64-based versions of Windows XP Professional

For all supported 32-bit versions of Windows Server 2003

For all supported x64-based versions of Windows Server 2003

For all supported Itanium-based versions of Windows Server 2003