Exchange Flaw Latest: 30K Servers Vulnerable, Daily Attacks Spike

Health IT Security

Jessica Davis

It’s been about three weeks since Microsoft released a software update for four-zero day flaws within on-prem Exchange servers and an estimated 30,000, or 8 percent, remain unpatched. Simultaneously, thousands of attempts to exploit the servers have been observed each day.

Found in Microsoft Exchange Servers versions 2013, 2016, and 2019, an attacker can exploit any of the flaws or chain the vulnerabilities together to take control of an impacted system.

The concern is that the flaw could act as...

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