KLA12507
Multiple vulnerabilities in Microsoft Office

Multiple vulnerabilities were found in Microsoft Office. Malicious users can exploit these vulnerabilities to execute arbitrary code, spoof user interface, obtain sensitive information.

Below is a complete list of vulnerabilities:

1. A remote code execution vulnerability in Microsoft Excel can be exploited remotely to execute arbitrary code.
2. A remote code execution vulnerability in Windows Graphics Component can be exploited remotely to execute arbitrary code.
3. A spoofing vulnerability in Microsoft SharePoint Server can be exploited remotely to spoof user interface.
4. An information disclosure vulnerability in Skype for Business can be exploited remotely to obtain sensitive information.
5. A spoofing vulnerability in Skype for Business and Lync can be exploited remotely to spoof user interface.

Skype for Business Server 2019 CU6
Skype for Business Server 2015 CU12
Microsoft Lync Server 2013 CU10

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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