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2025-09-17 18:00:45 UTC

Kevin Beaumont on Nostr: Dirk-jan Mollema, who discovered Zerologon (the most impactful on prem Active ...

Dirk-jan Mollema, who discovered Zerologon (the most impactful on prem Active Directory vulnerability ever), has discovered an Azure Active Directory (EntraID) vulnerability which allowed anybody to take over any tenant - access any Microsoft 365 resource, basically. CVE-2025-55241

https://dirkjanm.io/obtaining-global-admin-in-every-entra-id-tenant-with-actor-tokens/