KLA11845
Multiple vulnerabilities in Microsoft Exchange Server

Multiple vulnerabilities were found in Microsoft Exchange Server. Malicious users can exploit these vulnerabilities to spoof user interface, gain privileges.

Below is a complete list of vulnerabilities:

1. Security UI vulnerability in Microsoft Exchange can be exploited remotely via specially crafted to spoof user interface.
2. An elevation of privilege vulnerability in Microsoft Exchange Server can be exploited remotely via specially crafted email to gain privileges.

Microsoft Exchange Server 2016 Cumulative Update 5
Microsoft Exchange Server 2013 Cumulative Update 16
Microsoft Exchange Server 2010 Service Pack 3
Microsoft Exchange Server 2013 Service Pack 1

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

CVE-2017-8621
CVE-2017-8560
CVE-2017-8559

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