KLA12045
Multiple vulnerabilities in Microsoft Windows

Multiple vulnerabilities were found in Microsoft Windows. Malicious users can exploit these vulnerabilities to gain privileges, execute arbitrary code, obtain sensitive information, bypass security restrictions, cause denial of service.

Below is a complete list of vulnerabilities:

1. An elevation of privilege vulnerability in Windows AppX Deployment Extensions can be exploited remotely to gain privileges.
2. A remote code execution vulnerability in Remote Procedure Call Runtime can be exploited remotely to execute arbitrary code.
3. An information disclosure vulnerability in Windows GDI+ can be exploited remotely to obtain sensitive information.
4. An elevation of privilege vulnerability in Windows Hyper-V can be exploited remotely to gain privileges.
5. An elevation of privilege vulnerability in Windows CSC Service can be exploited remotely to gain privileges.
6. A security feature bypass vulnerability in Windows Bluetooth can be exploited remotely to bypass security restrictions.
7. An elevation of privilege vulnerability in Windows Event Logging Service can be exploited remotely to gain privileges.
8. An elevation of privilege vulnerability in Diagnostics Hub Standard Collector can be exploited remotely to gain privileges.
9. An information disclosure vulnerability in Windows Docker can be exploited remotely to obtain sensitive information.
10. An elevation of privilege vulnerability in Windows Update Stack can be exploited remotely to gain privileges.
11. An elevation of privilege vulnerability in Windows WalletService can be exploited remotely to gain privileges.
12. A denial of service vulnerability in Hyper-V can be exploited remotely to cause denial of service.
13. An elevation of privilege vulnerability in Windows Remote Procedure Call Runtime can be exploited remotely to gain privileges.
14. A security feature bypass vulnerability in NTLM can be exploited remotely to bypass security restrictions.
15. An information disclosure vulnerability in Windows DNS Query can be exploited remotely to obtain sensitive information.
16. An information disclosure vulnerability in Windows Projected File System FS Filter Driver can be exploited remotely to obtain sensitive information.
17. An elevation of privilege vulnerability in Windows Runtime C++ Template Library can be exploited remotely to gain privileges.
18. A remote code execution vulnerability in HEVC Video Extensions can be exploited remotely to execute arbitrary code.
19. An elevation of privilege vulnerability in Windows Installer can be exploited remotely to gain privileges.
20. An elevation of privilege vulnerability in Windows Win32k can be exploited remotely to gain privileges.
21. An elevation of privilege vulnerability in Windows Multipoint Management can be exploited remotely to gain privileges.
22. An information disclosure vulnerability in Windows (modem.sys) can be exploited remotely to obtain sensitive information.
23. An elevation of privilege vulnerability in Windows InstallService can be exploited remotely to gain privileges.
24. An elevation of privilege vulnerability in Microsoft splwow64 can be exploited remotely to gain privileges.
25. An elevation of privilege vulnerability in Windows Kernel can be exploited remotely to gain privileges.
26. An elevation of privilege vulnerability in Windows Event Tracing can be exploited remotely to gain privileges.
27. An information disclosure vulnerability in Windows Graphics Component can be exploited remotely to obtain sensitive information.
28. A remote code execution vulnerability in Microsoft DTV-DVD Video Decoder can be exploited remotely to execute arbitrary code.
29. A security feature bypass vulnerability in Windows Remote Desktop can be exploited remotely to bypass security restrictions.
30. A remote code execution vulnerability in Windows Fax Compose Form can be exploited remotely to execute arbitrary code.
31. An elevation of privilege vulnerability in Windows LUAFV can be exploited remotely to gain privileges.
32. An elevation of privilege vulnerability in Windows WLAN Service can be exploited remotely to gain privileges.
33. An information disclosure vulnerability in TPM Device Driver can be exploited remotely to obtain sensitive information.
34. An elevation of privilege vulnerability in Active Template Library can be exploited remotely to gain privileges.
35. An elevation of privilege vulnerability in Windows Print Spooler can be exploited remotely to gain privileges.
36. A security feature bypass vulnerability in Windows Remote Desktop Protocol Core can be exploited remotely to bypass security restrictions.
37. A denial of service vulnerability in Windows CryptoAPI can be exploited remotely to cause denial of service.
38. A remote code execution vulnerability in Microsoft Windows Media Foundation can be exploited remotely to execute arbitrary code.
39. An information disclosure vulnerability in Windows NT Lan Manager Datagram Receiver Driver can be exploited remotely to obtain sensitive information.
40. A remote code execution vulnerability in GDI+ can be exploited remotely to execute arbitrary code.

The following public exploits exists for this vulnerability:

https://github.com/waleedassar/CVE-2021-1699

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

Microsoft Visual Studio 2019 version 16.0
Windows 10 Version 1909 for ARM64-based Systems
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2012
Windows 10 Version 1809 for x64-based Systems
Windows Server 2008 for x64-based Systems Service Pack 2
Windows 10 Version 20H2 for ARM64-based Systems
HEVC Video Extensions
Windows Server, version 2004 (Server Core installation)
Windows 10 Version 1607 for 32-bit Systems
Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)
Microsoft Visual Studio 2019 version 16.8
Windows 10 Version 1803 for 32-bit Systems
Microsoft Remote Desktop for Android
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Microsoft Visual Studio 2015 Update 3
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows 10 Version 1909 for 32-bit Systems
Windows Server, version 20H2 (Server Core Installation)
Windows 10 Version 1803 for x64-based Systems
Windows 10 Version 2004 for 32-bit Systems
Windows 10 Version 2004 for ARM64-based Systems
Windows 7 for x64-based Systems Service Pack 1
Windows Server 2019
Windows RT 8.1
Windows 10 Version 2004 for x64-based Systems
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)
Windows Server, version 1909 (Server Core installation)
Windows Server 2016
Windows 10 Version 1809 for 32-bit Systems
Windows 8.1 for x64-based systems
Windows Server 2012 R2 (Server Core installation)
Windows 10 Version 1809 for ARM64-based Systems
Windows 10 Version 1803 for ARM64-based Systems
Windows Server 2016 (Server Core installation)
Windows Server 2012 R2
Windows 10 Version 1607 for x64-based Systems
Windows 7 for 32-bit Systems Service Pack 1
Windows 10 Version 20H2 for 32-bit Systems
Windows 10 for 32-bit Systems
Windows 10 Version 20H2 for x64-based Systems
Windows Server 2012 (Server Core installation)
Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)
Windows 10 for x64-based Systems
Windows Server 2019 (Server Core installation)
Microsoft Remote Desktop
Remote Desktop client for Windows Desktop
Windows 8.1 for 32-bit systems
Windows 10 Version 1909 for x64-based Systems

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

4598275
4598243
4598285
4598278
4598297
4598231
4598229
4598242
4598230
4598245
4601354
4601319
4601315
4601345
5005613
5005568
5005627
5005565
5005623
5005573
5005569
5005566
5005607