Exchange Server 2013/2016/2019 Security Updates May 2022

Andres Bohren

2022-05-11

Hi All,

Yesterday at the Microsoft Patchday, the Exchange Server 2013/2016/2019 Security Updates May 2022 have been released.

Released: May 2022 Exchange Server Security Updates

https://techcommunity.microsoft.com/t5/exchange-team-blog/released-may-2022-exchange-server-security-updates/ba-p/3301831

Security Update For Exchange Server 2016 CU23 (KB5014261)

https://www.microsoft.com/en-us/download/details.aspx?id=104207

Microsoft Exchange Server Elevation of Privilege Vulnerability

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21978

There is also a new format of the Security Update. The .exe File is a self-extracting, auto-elevating installer (.exe), which works best for manual installations.

New Exchange Server Security Update and Hotfix Packaging

https://techcommunity.microsoft.com/t5/exchange-team-blog/new-exchange-server-security-update-and-hotfix-packaging/ba-p/3301819

After the Setup is installed on all Servers you have to run "PrepareAllDomains" as an Enterprise Admin.

cd C:\Program Files\Microsoft\Exchange Server\V15\Bin

Setup.exe /IAcceptExchangeServerLicenseTerms_DiagnosticDataON /PrepareAllDomains

Regards

Andres Bohren