As a part of Microsoft's Secure Future Initiative (SFI), security remains our top priority. In alignment with SFI, Exchange Server is implementing several changes to enhance the security of Exchange ...
Updated Aug 11, 2025
Version 11.0
Blog Post
Is there a way to find out if someone already exploited this vulnerability?
In this link, https://cert.europa.eu/publications/security-advisories/2025-030/ they show a KQL but i guess its a custom schema table in their space. Would looking into azure sign in logs of this service principal using 'user' filter to 'Office 365 Exchange Online' be enough to validate?