Exchange security updates released again

The security updates that caused problems with transport rules were released again today. The new updates have the suffix "v2" and are intended to fix the problems. Microsoft writes the following: If the original version of the update is already installed, the V2 update must now be installed to resolve the issues. Even if the original update ... Read more

Exchange November updates cause problems with transport rules

The security updates for Exchange Server 2016 and 2019, which were released on 12.11.2024, cause problems with the transport rules. In the Exchange Team Blog and in various forums, users are reporting that the transport rules of the Exchange Server no longer work or only work shortly after restarting the Exchange Transport Services. When transport rules are used ... Read more

Exchange Server: New security updates available (November 2024)

Microsoft has released new security updates for Exchange Server 2016 and 2019. Click here to download directly: The security update also includes new features: Improvements to the integration of AMSI in Exchange Server As of the release of the November 2024 security update, the ability of products that use Exchange Server AMSI integration has been enhanced to perform additional tasks ... Read more

CERT-Bund warns of more than 15000 Exchange servers with security vulnerabilities

The CERT-Bund warns on X of more than 15,000 Exchange servers in Germany that are openly accessible from the Internet with at least one vulnerability. Some of the vulnerabilities are already being actively exploited. In March 2024, the BSI had already warned of 17,000 Exchange servers that are openly accessible from the Internet and contain known vulnerabilities. The ... Read more

New security update for Exchange Server (March 2024)

Microsoft has released new security updates for Exchange Server 2016 and Exchange Server 2019 today. The security update closes the remote execution vulnerability CVE-2024-26198 with the severity level "Important". The vulnerability is not currently being actively exploited, but Microsoft recommends that the update is installed quickly. Click here to download the security update: After installing the March ... Read more

Exchange security updates (November 2023)

Microsoft has released new security updates for Exchange Server 2016 and 2019. The updates fix the following vulnerabilities, which are all marked as "Important": Click here to download the updates directly: With the November security updates, the "Certificate signing of PowerShell serialization payload" feature is enabled by default. Before installing the November update ... Read more

Exchange Server: New security updates (October 2023)

Microsoft today released new security updates for Exchange Server 2016 and Exchange Server 2019. The update closes the remote execution vulnerability CVE-2023-36778 and provides a better solution for the vulnerability CVE-2023-21709 from August. There were problems with the August security update and the update was temporarily recalled. The update from October for CVE-2023-36434 ... Read more

New security updates for Exchange Server (August 2023)

After the first version of the security update was withdrawn by Microsoft, a bug-fixed version has now been released. According to initial reports, this update can now be installed on non-English Exchange servers without any problems. Click here to download the update: Microsoft has also published a list of instructions on the Exchange Team Blog: On non-English ... Read more

New security updates for Exchange Server (August 2023)

Microsoft has released new security updates for Exchange Server 2016 and 2019. The update fixes 6 vulnerabilities that are marked as important. In addition, further adjustments are necessary after installing the updates. There are currently no indications that the vulnerabilities are being exploited. Click here to download the updates: The following vulnerabilities are fixed: ... Read more