Download Cumulative Update 23 for Exchange Server 2013 (KB4489622) now. Download Exchange Server 2013 CU23 UM Language Packs now. Notes. You can use the Cumulative Update 23 package to run a new installation of Exchange Server 2013 or to upgrade an existing Exchange Server 2013 installation to Cumulative Update 23.

Update your Exchange server to the latest CU, install May 2022 SU and then follow the steps above. Note: You need to run /PrepareAllDomains only once per organization and those changes will apply to all versions of Exchange Server within the organization.

Exchange Server 2013. This security update rollup resolves vulnerabilities in Microsoft Exchange Server. To learn more about these vulnerabilities, see the following Common Vulnerabilities and Exposures (CVE): CVE-2022-21979 - Microsoft Exchange Information Disclosure Vulnerability.

Method 3: Microsoft Download Center. You can get the standalone update package through the Microsoft Download Center. Microsoft Exchange Server 2013 Cumulative Update 23 - Download the package now. More information. Security update replacement information. This security update replaces the following previously released updates:

Download Security Update 11 for Exchange Server 2013 Cumulative Update 23 (KB5007011) More information Security update deployment information. For deployment information about this update, see ...