JScript 5.6 Security Patch for Windows 2000 and XP (814078)

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This update addresses the vulnerability addressed in Knowledge Base Article 814078. To find out if more recent security updates are available for you, see the Overview section of this page.
  • Version:


    File Name:


    Date Published:


    File Size:

    361 KB

    KB Articles: KB814078

    Security bulletins:MS03-008

      A more recent critical security update is now available. To find the latest security releases for you visit Windows Update and click "Scan for updates." And visit the Protect your PC site to learn how to have the latest security updates delivered directly to your computer.

      About this download: A flaw exists in the way by which the Windows Script Engine for JScript processes information. An attacker could exploit the vulnerability by constructing a Web page that, when visited by the user, would execute code of the attacker’s choice with user privileges. The Web page could be hosted on a Web site, or sent directly to the user in email. For more information, see Knowledge Base Article 814078.
  • Supported Operating System

    Windows 2000, Windows XP

    • The update available from this page is for JScript 5.6 on Windows 2000 and XP. To determine which version of JScript is on your machine:

      1. Open the Windows Explorer

      2. Navigate to the Windows\system32 directory

      3. Right click on jscript.dll and choose "Properties"

      4. Choose the "Version" tab

      The version will be the first line of information. For example, after this patch is installed it will be If your version is 5.1 or 5.5, please use the appropriate link under Related Resources on the right side of this page.

      To download and install this patch:
      1. Click the Download link to start the download, or choose a different language from the drop-down list and click Go.
      2. Do one of the following:
        • To start the installation immediately, click Open or Run this program from its current location.
        • To copy the download to your computer for installation at a later time, click Save or Save this program to disk.
    • For JScript 5.1 or 5.5 security patches, see the Related Resources links at the right of this page.
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