Microsoft Download Center Archive

Security Update for Microsoft .NET Framework 4.5, .NET Framework 4.5.1, and .NET Framework 4.5.2 on Windows 8, Windows RT 8, and Windows Server 2012 R2

  • Published:
  • Version: 4.5/4.5.1/4.5.2
  • 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
Windows8-RT-KB2978127-arm.msu
SHA1: 16fe1b22031dd7efb028b45354a383561ae48fc8
481 KB
Windows8-RT-KB2978127-x64.msu
SHA1: 4d88ce2f2a806d01f8a2bf0c8ca19ae03fdc77e5
683 KB
Windows8-RT-KB2978127-x86.msu
SHA1: 56f7348cb458bc4e1b4a94cb6a9c4c4a26c14f2e
676 KB

System Requirements

Operating Systems: Windows 8, Windows RT, Windows Server 2012

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.