29,000 Microsoft Exchange Servers Begging for a Patch: The Cybersecurity Comedy of Errors
Over 29,000 Exchange servers are still unpatched against the CVE-2025-53786 vulnerability, which could let attackers waltz through Microsoft cloud environments like they own the place. With federal agencies scrambling to fix this, the rest of us should probably join the security party before it becomes a breach bash.

Hot Take:
Ah, the joys of digital housekeeping! It seems like 29,000 Exchange servers are playing hide and seek with a high-severity vulnerability and losing. It’s like leaving your front door open with a neon sign that says “Hackers Welcome!” Come on, folks, patch it up before your emails end up reading like a poorly written soap opera.
Key Points:
- Over 29,000 Exchange servers are unpatched against a critical vulnerability, CVE-2025-53786.
- The flaw allows attackers to escalate privileges in Microsoft cloud environments, risking complete domain compromise.
- The vulnerability affects Exchange Server 2016, 2019, and the Subscription Edition in hybrid settings.
- CISA issued an emergency directive for federal agencies to mitigate the flaw by a tight deadline.
- Organizations are urged to update and patch their servers to prevent potential attacks.
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