CISA Issues Emergency Directive on In-the-Wild Microsoft Exchange Flaws

In Hacker News by Blog Writer

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Following Microsoft’s release of out-of-band patches to address multiple zero-day flaws in on-premises versions of Microsoft Exchange Server, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued an emergency directive warning of “active exploitation” of the vulnerabilities.

The alert comes on the heels of Microsoft’s disclosure that China-based hackers were