Microsoft has released information regarding multiple vulnerabilities in Microsoft Exchange Server. A remote attacker may execute arbitrary code with system privileges by leveraging these vulnerabilities. According to Microsoft, four of these vulnerabilities have already been exploited in limited targeted attacks, and it is recommended to take measures as soon as possible.
Affected products and versions are as follows. Microsoft Exchange Online is not affected.
- Microsoft Exchange Server 2019
- Microsoft Exchange Server 2016
- Microsoft Exchange Server 2013
To receive assistance in patching your server against these vulnerabilities or assistance is discovering any compromises in your infrastructure, please contact CTI.
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