The antivirus will mitigate one of the four zero-day exploits discovered on Microsoft Exchange servers.
Microsoft has rolled out a security update for Defender Antivirus to mitigate the CVE-2021-28655 Exchange Server vulnerability via a URL Rewrite configuration. The antivirus will also scan the server and reverse changes made by any known threats.
The Redmond company has rolled out multiple security patches after it was discovered that bad actors are using four zero-day exploits in Exchange Server to carry out ransomware attacks. The security exploits affect Microsoft Exchange Server 2013, 2016, and 2019.