Multiple serious vulnerabilities were found in Microsoft Windows. Malicious users can exploit these vulnerabilities to bypass security restrictions, write local files, gain privileges, execute arbitrary code, obtain sensitive information.

Below is a complete list of vulnerabilities:

1. Incorrect input validation in Windows Hyper-V on a host server can be exploited locally via specially designed application to execute arbitrary code;
2. Unspecified vulnerability related to improper file information disclosure in Windows Media Player can be exploited remotely via specially designed website to obtain sensitive information;
3. Incorrect handling objects in memory in DirectX Graphics Kernel (DXGKRNL) driver can be exploited locally via specially designed application to gain privileges;
4. Incorrect handling objects in memory in DirectX can be exploited locally via specially designed application to obtain sensitive information;
5. Unspecified vulnerability in DNS Global Blocklist can be exploited via unspecified vector to bypass security restrictions;
6. Improper handling objects in memory in Windows Subsystem for Linux can be exploited locally via specially designed application to gain privileges;
7. Vulnerability related to improper decompressing in Windows Theme API can be exploited remotely via specially designed file to execute arbitrary code;
8. Improper access checking in NTFS can be exploited locally via specially designed application to gain privileges;
9. Improper handling objects in memory in Microsoft Graphics Components can be exploited locally via specially designed file to execute arbitrary code;
10. Improper handling objects in memory in Windows can be exploited locally via specially designed application to gain privileges;
11. Incorrect handling objects in memory, allowing an attacker to retrieve information from a targeted system in the Windows Graphics Device Interface (GDI) can be exploited locally via specially designed application to obtain sensitive information;
12. Incorrect handling objects in memory in the Windows Kernel can be exploited locally via specially designed application to gain privileges;
13. Unspecified vulnerability in Windows Shell can be exploited remotely via specially designed website to execute arbitrary code;
14. Incorrect input validation in Microsoft XML Core Services MSXML can be exploited remotely via specially designed website to execute arbitrary code;
15. Unspecified vulnerability in Windows TCP/IP stack can be exploited remotely via specially designed fragmented IP packets to obtain sensitive information;
16. Unspecified vulnerability in Device Guard can be exploited via unspecified vector to bypass security restrictions;
17. Incorrect input validation in Windows Hyper-V on a host server can be exploited locally via specially designed application to execute arbitrary code;
18. Incorrect handling objects in memory in Filter Manager can be exploited locally via specially designed file to gain privileges;
19. Incorrect handling objects in memory in Windows kernel can be exploited locally via specially designed application to obtain sensitive information;
20. Incorrect handling objects in memory in Microsoft JET Database Engine can be exploited locally via specially designed file to execute arbitrary code;
21. Improper handling objects in memory in Microsoft Graphics Components can be exploited locally via specially designed file to obtain sensitive information;
22. Incorrect handling objects in memory in Microsoft Windows Codecs Library can be exploited remotely via specially designed image to obtain sensitive information.

Microsoft Excel Viewer 2007 Service Pack 3
Microsoft Office 2016 for Mac
Microsoft Office 2019 for 32-bit editions
Microsoft Office 2019 for 64-bit editions
Microsoft Office Compatibility Pack Service Pack 3
Microsoft Office Word Viewer
Microsoft PowerPoint Viewer 2007
Office 365 ProPlus for 32-bit Systems
Office 365 ProPlus for 64-bit Systems
Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 1703 for 32-bit Systems
Windows 10 Version 1703 for x64-based Systems
Windows 10 Version 1709 for 32-bit Systems
Windows 10 Version 1709 for 64-based Systems
Windows 10 Version 1803 for 32-bit Systems
Windows 10 Version 1803 for x64-based Systems
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 for 32-bit Systems
Windows 10 for x64-based Systems
Windows 7 for 32-bit Systems Service Pack 1
Windows 7 for x64-based Systems Service Pack 1
Windows 8.1 for 32-bit systems
Windows 8.1 for x64-based systems
Windows RT 8.1
Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows Server 2008 for Itanium-Based Systems Service Pack 2
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2012
Windows Server 2012 (Server Core installation)
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)
Windows Server 2016
Windows Server 2016 (Server Core installation)
Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows Server, version 1709 (Server Core Installation)
Windows Server, version 1803 (Server Core Installation)

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

4462917
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The following public exploits exists for this vulnerability:

https://www.exploit-db.com/exploits/45624

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