Microsoft patched CVE-2026-96940, a critical Exchange Server flaw that could let authenticated attackers access other users' mailboxes.

Microsoft released further Exchange updates over the weekend. They close a privilege escalation vulnerability.

Due to the critical nature of recently issued Microsoft Exchange security updates, admins need to know that the updates may have installation issues on servers where User Account Control (UAC) is ...

Exchange security remains a priority for IT administrators, and now they can build up the mail platform's defense by installing it on Server Core. The Server Core deployment in Windows Server 2019 ...

The National Cyber Security Center (NCSC) is encouraging all UK organizations to install the latest Microsoft Exchange Server updates as a matter of urgency. The urgent advisement comes after ...

When you need to play catch-up with your email system, getting the latest Exchange Server cumulative update is one way to stay compliant and introduce new features to your organization. Microsoft ...

Update 26.3.2024: While not on the same scale as 2021’s Microsoft Exchange Server hack (see below this update), security problems impacting Exchange Server have reemerged. In March 2024’s monthly ...