KLA11664
Multiple vulnerabilities in Microsoft Exchange Server

Multiple vulnerabilities were found in Microsoft Exchange Server. Malicious users can exploit these vulnerabilities to gain privileges, execute arbitrary code.

Below is a complete list of vulnerabilities:

1. An elevation of privilege vulnerability in Microsoft Exchange Server can be exploited remotely to gain privileges.
2. A memory corruption vulnerability in Microsoft Exchange can be exploited remotely via specially crafted email to execute arbitrary code.

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Microsoft Exchange Server 2016 Cumulative Update 14
Microsoft Exchange Server 2016 Cumulative Update 15
Microsoft Exchange Server 2013 Cumulative Update 23
Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 30
Microsoft Exchange Server 2019 Cumulative Update 4
Microsoft Exchange Server 2019 Cumulative Update 3

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

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