Microsoft Download Center Archive

Security Update for Microsoft .NET Framework 3.5.1 on Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1

  • Published:
  • Version: 3.5.1
  • Category: Security Patch
  • Language: English

A security issue has been identified that could allow an unauthenticated remote attacker to compromise your system and gain control over it.

  • 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.
Knowledge Base Articles:
Security Bulletins:

Files

Status: Deleted

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

FileSize
Windows6.1-KB2656373-v2-ia64.msu
SHA1: b97ca74185c8c6f95d99a4500720c6f2ef3065e4
421 KB
Windows6.1-KB2656373-v2-x64.msu
SHA1: da7ee58f39fd2c75b00d0eb972c85944c3ad200c
569 KB
Windows6.1-KB2656373-v2-x86.msu
SHA1: cf212347b09bbf50b11498f105bdc8837ac4cce5
565 KB

System Requirements

Operating Systems: Windows 7 Service Pack 1, Windows Server 2008 R2 SP1

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 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.