Microsoft Download Center Archive

JScript 5.6 Security Update for Windows Server 2003 (KB917344)

  • Published:
  • Version: 1
  • Category: Security Patch
  • Language: English

An attacker may exploit a vulnerability in Windows Script Engine by constructing a Web page that, when visited by a user, runs code of the attacker’s choice with user credentials.

  • A vulnerability exists in Microsoft JScript. 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. For more information, see Knowledge Base Article 917344.
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
WindowsServer2003-KB917344-x86-CHS.exe1e07a958f67342e1ba2ab3d06ff65f78ae4e438e772 KB
WindowsServer2003-KB917344-x86-CHT.exee43baa8cb64d10caf2ab03ad71a1d6e0fcc15328772 KB
WindowsServer2003-KB917344-x86-CSY.exe8ab42cc208ce86104ccfd8146fc53d869552ea63778 KB
WindowsServer2003-KB917344-x86-DEU.exe87d15af6a549a0faf69495b330c52c02e80c1fec778 KB
WindowsServer2003-KB917344-x86-ENU.exe51fc5491da27505100eff1ca05efaa92de2fc1ea774 KB
WindowsServer2003-KB917344-x86-ESN.exefa82d49209cb3becd6d7c8ed540cad0080632c1a777 KB
WindowsServer2003-KB917344-x86-FRA.exe6258cf9ecb0f30744e0044d7982d169f79c6d45b778 KB
WindowsServer2003-KB917344-x86-HUN.exe9ceffa29bff78e1ca94e40b7c926b386be2510f1779 KB
WindowsServer2003-KB917344-x86-ITA.exe8e35b0d8328fee8181b4eab797f0d4f38d1c9d17777 KB
WindowsServer2003-KB917344-x86-JPN.exe341887c8f96818fe660d842f9739d50059a40911774 KB
WindowsServer2003-KB917344-x86-KOR.exe9e6f96ef6428355aa3bf0714a9cb8b25d52205fa773 KB
WindowsServer2003-KB917344-x86-NLD.exec257cb85e5c6c4b412c7fad1e16c1f2c9856a583778 KB
WindowsServer2003-KB917344-x86-PLK.exead2d2b5313e30932075d51135c694276159f3c0d779 KB
WindowsServer2003-KB917344-x86-PTB.exe60f1a9de74a2b767d6a5c6a09bce15e4eba76db7777 KB
WindowsServer2003-KB917344-x86-PTG.exe9c6f415103a5e84c42ccda201fd4929f476f3859777 KB
WindowsServer2003-KB917344-x86-RUS.exe436f9973c0704c98ef45246e075d18a7e2714b86778 KB
WindowsServer2003-KB917344-x86-SVE.exebc014a767fd7aeca5fc6722dba54ff5ee2b5d2c9776 KB
WindowsServer2003-KB917344-x86-TRK.exe493299bc58a2636281a96647932864b026bf03ca777 KB

System Requirements

Operating Systems: Windows Server 2003

Installation Instructions

  • The update available from this page is for JScript 5.6 on Windows Server 2003. 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.

Related Resources