Microsoft Download Center Archive

Security Update For Exchange Server 2013 CU21 (KB4471389)

  • Published:
  • Version: 15.00.1395.010
  • Category: Security Patch
  • Language: English

Security Update For Exchange Server 2013 CU21 (KB4471389)

A remote code execution vulnerability exists in Microsoft Exchange software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the System user. An attacker could then install programs; view, change, or delete data; or create new accounts.

Knowledge Base Articles:

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 April 2023.

System Requirements

Operating Systems: Windows Server 2012, Windows Server 2012 R2, Windows Server 2008 R2

The Exchange Server SETUP program will specify any required components that are missing

Installation Instructions

  1. Click the Download button on this page to start the download.
  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.
This page was generated from a snapshot of the Microsoft Download Center made on .
FamilyId: ccf6c5e6-e26b-4ed8-a868-4cf45162f566
Report a problem