Trace Id is missing

Unlock your potential with Microsoft Copilot

Get things done faster and unleash your creativity with the power of AI anywhere you go.
Microsoft Copilot app being utilized to generate pictures of a singing dog, assisting to identify a flower, and helping to generate an email to congratulate a coworker on a promotion.

Security Update For Exchange Server 2019 CU6 (KB4593465)

Security Update For Exchange Server 2019 CU6 (KB4593465)

Important! Selecting a language below will dynamically change the complete page content to that language.

Download
  • Version:

    15.02.0659.011

    Date Published:

    12/1/2020

    File Name:

    Exchange2019-KB4593465-x64-en.msp

    File Size:

    154.7 MB

    KB Articles:

    4593465

    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.
  • Supported Operating Systems

    Windows Server 2019


    Exchange Server 2019 System Requirements and Prerequisites
    For information about Exchange 2019 system requirements and prerequisites, see the following topics:
    Actual requirements will vary based on system configuration. For more detailed system requirements, please refer to the Exchange Server 2019 Technical Documentation Library.
    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.
Follow Microsoft