Security Update for Microsoft .NET Framework 3.5 Service Pack 1 on Windows XP, Windows Server 2003, Windows Vista, and Windows Server 2008

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A security issue has been identified that could allow an unauthenticated remote attacker to compromise your system and gain control over it.
  • Note:There are multiple files available for this download.Once you click on the "Download" button, you will be prompted to select the files you need.
    Version:

    3.5

    File Name:

    NDP35SP1-KB2604111-x86.exe

    NDP35SP1-KB2604111-IA64.exe

    NDP35SP1-KB2604111-x64.exe

    Date Published:

    5/8/2012

    File Size:

    820 KB

    859 KB

    858 KB

    KB Articles: KB2604111

    Security bulletins:MS12-035

      A security issue has been identified that could allow an unauthenticated remote attacker to compromise your system and gain control over it. You can help protect your system by installing this update from Microsoft. After you install this update, you may have to restart your system.
  • Supported Operating System

    Windows Server 2003, Windows Server 2008 Service Pack 2, Windows Vista Service Pack 2, Windows XP

      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 Change.
      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.
  • Additional Information
      Please see the Knowledge Base Article KB2604111 for more information.