On Monday, Microsoft released the last major update for Exchange Server 2019. The aging Exchange Server is set to lose support on Oct. 14, 2025. This final update (2025 H1 Cumulative Update (CU15) ...

Microsoft released July 2026 Exchange Server security updates, including a permanent fix for the Critical CVE-2026-42897 ...

Microsoft's latest Exchange Server security updates fix a critical flaw, but IT admins should be aware of a rollback step and ...

Microsoft this week announced it will be bringing its Extended Security Update (ESU) program for on-premises Exchange Server 2016 and 2019, offering organizations critical protection as they approach ...

Microsoft announced today that Windows Extended Protection will be enabled by default on servers running Exchange Server 2019 starting this fall after installing the 2023 H2 Cumulative Update (CU14).

Microsoft’s monthly update included 206 fixes for flaws in everything from Windows to Office to Exchange Server, not to mention three zero-days.

Windows 11 24H2, Office 2021, and SQL Server 2016 headline a long list of Microsoft products losing support in 2026. See the ...