Multiple vulnerabilities were found in Microsoft Products (Extended Support Update). Malicious users can exploit these vulnerabilities to obtain sensitive information, execute arbitrary code, gain privileges.

Below is a complete list of vulnerabilities:

1. An information disclosure vulnerability in Windows GDI can be exploited remotely via specially crafted application to obtain sensitive information.
2. A memory corruption vulnerability in Scripting Engine can be exploited remotely via specially crafted website to execute arbitrary code.
3. An information disclosure vulnerability in Windows Kernel can be exploited remotely via specially crafted application to obtain sensitive information.
4. An elevation of privilege vulnerability in OpenType Font Driver can be exploited remotely via specially crafted application to obtain sensitive information.
5. An information disclosure vulnerability in OpenType Font Driver can be exploited remotely via specially crafted fonts to obtain sensitive information.
6. An information disclosure vulnerability in Microsoft Color Management can be exploited remotely via specially crafted website to obtain sensitive information.
7. An elevation of privilege vulnerability in SMB Server can be exploited remotely via specially crafted file to gain privileges.
8. An elevation of privilege vulnerability in Windows can be exploited remotely via specially crafted application to gain privileges.

ChakraCore
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows 10 for 32-bit Systems
Internet Explorer 9
Windows 10 for x64-based Systems
Windows Server 2012 (Server Core installation)
Windows Server 2016 (Server Core installation)
Windows 7 for x64-based Systems Service Pack 1
Windows 8.1 for 32-bit systems
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows 8.1 for x64-based systems
Windows Server 2012
Internet Explorer 11
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2016
Windows 10 Version 1709 for x64-based Systems
Windows Server 2008 for Itanium-Based Systems Service Pack 2
Windows 10 Version 1703 for x64-based Systems
Windows Server 2012 R2 (Server Core installation)
Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1
Windows 10 Version 1511 for 32-bit Systems
Microsoft Edge (EdgeHTML-based)
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows 10 Version 1703 for 32-bit Systems
Windows 10 Version 1511 for x64-based Systems
Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
Windows 7 for 32-bit Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Internet Explorer 10
Windows 10 Version 1709 for 32-bit Systems
Windows Server 2012 R2

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

4056894
4056897
4056942
4056613
4056615
4056759
4056944
4056941
4340583
4056568
4493472
4493448

The following public exploits exists for this vulnerability:

https://www.exploit-db.com/exploits/43514

https://www.exploit-db.com/exploits/43517

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