Microsoft explains how to restore blocked Exchange Online EWS
Admins can re-enable EWS until April 2027; Microsoft says apps should move to Microsoft Graph.
2
Stories per day · 30 days
1 RSS
5 stories, newest first · one card per story
Stories tagged #exchange-online
Microsoft Exchange Admin Center Issue Blocks Web Portal Access to Admins With “Internal Server Error”
Microsoft is investigating EX1500900, which blocks some admins from the Exchange admin center.
1
Microsoft Outlook to block MSIX attachments starting November
Microsoft will block .msix and .msixbundle attachments in Outlook on the web and new Outlook starting November.
Out-of-band Exchange Server update fixes high-severity mailbox access bug (CVE-2026-96940)
Microsoft issued an out-of-band Exchange update for CVE-2026-96940, a same-organization mailbox read flaw.
Hackers Favor US Eastern Business Hours in M365 Phishing Campaign
KnowBe4 tracked 29,785 phishing emails abusing Microsoft 365 Direct Send to spoof internal senders while timing sends to US Eastern business hours.
5