Exchange Server SE SU7 has been released

Hi All,

Today Microsoft has released the Exchange SE SU7

• Exchange Team Blog Released: June 2026 Exchange Server Security Updates
• Description of the security update for Microsoft Exchange Server Subscription Edition RTM: June 09, 2026 (KB5094139)

You can download the Security Update here:

• Download Security Update for Exchange Server SE RTM SU7 (KB5094139)

Installation

Bevore starting the Installation, i check if there is a pending reboot with a PowerShell Script i’ve wrote

• Check for pending reboot with PowerShell

.\Check-PendingReboot.ps1

After a reboot everything is fine

.\Check-PendingReboot.ps1

Let’s start the Installation

The Installation of the Security Update has successfully completed

But you need to reboot the Server after the installation

Healthchecker

Microsoft recommends to run the HealthChecker after each Installation. The HealthChecker can be downloaded here:

• HealthChecker

In the first run, the HealthChecker updates the Script

.\HealthChecker.ps1

Now we can run the HealthChecker - nothing worring was found

.\HealthChecker.ps1

Exchange Emergency Mitigation Service

Let’s check the Exchange Emergency Mitigation Service

• Exchange Emergency Mitigation Service

cd $exscripts
.\Get-Mitigations.ps1

Happy Exchange patching 😎

Regards
Andres Bohren