“Many teams, Exchange Server included, are working through reported issues – which includes validation that they are real security issues, reproducing, fixing, testing for regressions / issues after fixes are deployed and releasing updates monthly,” it added.
The company had initially indicated that CU1 would arrive by the end of the first half of 2026, before revising its target to the second half of 2026. The latest delay, where Microsoft is yet to offer any timeline, therefore marks the second time the hyperscaler has pushed back its expected release window.
A Cumulative Update (CU) is a periodically released package for Exchange Server that consolidates recent bug fixes and security updates, while also potentially introducing new features, architectural changes or removing deprecated components.
Read the full article here
