Microsoft has pulled the November 2024 Exchange security updates released during this month's Patch Tuesday because of email delivery issues on servers using custom mail flow rules. This issue affects ...

Microsoft Exchange customers have been warned about a new high-severity vulnerability, which could allow an attacker to escalate privileges within an organization’s connected cloud environment. The ...

Microsoft this week announced that it reissued August security update packages for Exchange Server 2016 and Exchange Server 2019. The security update reissuance is being done to address a problem ...

Microsoft has re-released the November 2024 security updates for Exchange Server after pulling them earlier this month due to email delivery issues on servers using custom mail flow rules. This known ...

Microsoft releases June 2026 Exchange Server security updates addressing vulnerabilities in supported deployments. Updates include fixes for CVE-2026-42897 and reinforce ongoing Exchange Server ...