Microsoft Download Center Archive

Cumulative Security Update for ActiveX Killbits for Windows Server 2008 R2 Release Candidate for Itanium-based Systems (KB973525)

  • Published:
  • Version: 974455
  • Category: Security Patch
  • Language: English

This update addresses the vulnerability discussed in Microsoft Security Bulletin MS09-055. To find out if other security updates are available for you, see the Additional Information section at the bottom of this page.

  • Security issues have been identified in Active X controls that could allow an attacker to compromise a system running Microsoft Internet Explorer and gain control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.

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
Windows6.1-KB973525-v4-ia64-RC.msu7f3fa121ebd464148821cdcd83b9877536debccf177 KB

System Requirements

Operating Systems: Windows Server 2008 R2 for Itanium-based Systems

  • This update applies with the following operating systems:
    • Windows Server 2008 R2 Release Candidate for Itanium-based Systems

Installation Instructions

    1. Click the Download button on this page to start the download, or select a different language from the Change language drop-down list and click Go.
    2. Do one of the following:
      • To start the installation immediately, click Run.
      • To save the download to your computer for installation at a later time, click Save.
      • To cancel the installation, click Cancel.

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