Microsoft Download Center Archive

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

  • Published:
  • Version: 1.0
  • Category: Security Patch
  • Language: English

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.

  • 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.
Knowledge Base Articles:
Security Bulletins:


Status: Deleted

This download is no longer available on The downloads below are archives provided by the Internet Archive Wayback Machine from the Microsoft Download Center prior to August 2020.

FileSHA1 HashSize
js56nen.exe50f1253be9ffe094c99953becd8b44ac0d68eebc323 KB

System Requirements

Operating Systems: Windows 2000, Windows XP

Installation Instructions

  • 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 oneof 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.

Related Resources