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CVE-2025-53786 - Anyone knows what to do?
Good day, there is the CVE-2025-53786 and even there is a lot of articles around about the security leak, it's not clear what to do exactly. A hotfix seems to be available for Exchange 2016 and 2...
You need to re-run the HCW in your environment to move to the dedicated Exchange Hybrid Application. My understanding is that it's not Exchange version specific, but you may have run the correct version of the HCW to move to this.
more information can be found here: https://office365itpros.com/2025/08/07/hybrid-connectivity-app-exo/
You need to re-run the HCW in your environment to move to the dedicated Exchange Hybrid Application. My understanding is that it's not Exchange version specific, but you may have run the correct version of the HCW to move to this.
more information can be found here: https://office365itpros.com/2025/08/07/hybrid-connectivity-app-exo/