Microsoft Exchange and Active Directory Blog
Kurz vor Weihnachten gibt es noch einmal Sicherheitsupdates für alle Exchange Server Versionen inkl. Exchange 2016 und Exchange 2019. Eigentlich ist nur noch Exchange Server SE im Support und erhält Updates, aber es gibt eine Ausnahme. Kunden mit aktiven ESU für Exchange Server erhalten aktuell noch Sicherheitsupdates. Ich verlinke hier daher nur noch Exchange Server … Read more
Microsoft has released new updates for all supported Exchange Server versions. The September updates do not include security updates, but contain updates for hybrid scenarios. Here you can download the updates directly: Microsoft writes about the updates: The October 2025 SUs fix security vulnerabilities that have been responsibly reported to Microsoft by security partners and identified by Microsoft's internal processes. Read more
Microsoft released new security updates for Exchange Server 2016, 2019 and SE in August. The updates have been available since 12.08., but as I was on vacation, the message appears here late. Click here to download the updates directly: The updates fix the following vulnerabilities, all of which are rated „Important“. Read more
Microsoft announced yesterday that Exchange Server 2016 and 2019 can receive extended security updates. The ESU program (Extended Security Update program) already exists for Windows Server 2012 and other older operating systems. This is not a general extension of support for Exchange Server 2016 and Exchange Server 2019 beyond October 14, 2025. ... Read more
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
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
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
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
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
Microsoft released CU 14 for Exchange Server 2019 yesterday. CU 14 brings these new features: Support for TLS 1.3 was also planned, but this did not make it into CU 14. CU 14 can be downloaded here: As already mentioned, CU 14 activates the Extended ... Read more
