28,000+ Microsoft Exchange Servers Vulnerable to CVE-2025-53786 Exposed Online

Over 28,000 unpatched Microsoft Exchange servers are exposed on the public internet and remain vulnerable to a critical security flaw designated CVE-2025-53786, according to new scanning data released on August 7, 2025, by The Shadowserver Foundation. The Cybersecurity and Infrastructure Security Agency (CISA) issued Emergency Directive 25-02 on August 7, mandating federal agencies to address […]

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