KLA12226
Multiple vulnerabilities in Microsoft Products (ESU)

Multiple vulnerabilities were found in Microsoft Products (Extended Security Update). Malicious users can exploit these vulnerabilities to obtain sensitive information, spoof user interface, execute arbitrary code, cause denial of service, bypass security restrictions, gain privileges.

Below is a complete list of vulnerabilities:

1. An information disclosure vulnerability in Windows SMB can be exploited remotely to obtain sensitive information.
2. A spoofing vulnerability in Windows Certificate can be exploited remotely to spoof user interface.
3. A remote code execution vulnerability in Windows MSHTML Platform can be exploited remotely to execute arbitrary code.
4. A denial of service vulnerability in Windows DNS Server can be exploited remotely to cause denial of service.
5. A spoofing vulnerability in Windows Installer can be exploited remotely to spoof user interface.
6. A remote code execution vulnerability in Windows Address Book can be exploited remotely to execute arbitrary code.
7. A security feature bypass vulnerability in Windows LSA can be exploited remotely to bypass security restrictions.
8. An elevation of privilege vulnerability in Windows Remote Access Connection Manager can be exploited remotely to gain privileges.
9. A remote code execution vulnerability in Windows DNS Server can be exploited remotely to execute arbitrary code.
10. A denial of service vulnerability in Windows LSA can be exploited remotely to cause denial of service.
11. A security feature bypass vulnerability in Windows HTML Platforms can be exploited remotely to bypass security restrictions.
12. A remote code execution vulnerability in Windows DNS Snap-in can be exploited remotely to execute arbitrary code.
13. A denial of service vulnerability in Windows TCP/IP Driver can be exploited remotely to cause denial of service.
14. An elevation of privilege vulnerability in Windows Kernel can be exploited remotely to gain privileges.
15. An information disclosure vulnerability in GDI+ can be exploited remotely to obtain sensitive information.
16. An information disclosure vulnerability in Windows Key Distribution Center can be exploited remotely to obtain sensitive information.
17. A memory corruption vulnerability in Scripting Engine can be exploited remotely to execute arbitrary code.
18. A security feature bypass vulnerability in Windows Security Account Manager Remote Protocol can be exploited remotely to bypass security restrictions.
19. An information disclosure vulnerability in Windows Remote Access Connection Manager can be exploited remotely to obtain sensitive information.
20. A remote code execution vulnerability in Microsoft Windows Media Foundation can be exploited remotely to execute arbitrary code.
21. An information disclosure vulnerability in Windows Remote Assistance can be exploited remotely to obtain sensitive information.
22. An elevation of privilege vulnerability in Windows GDI can be exploited remotely to gain privileges.
23. An elevation of privilege vulnerability in Win32k can be exploited remotely to gain privileges.
24. A denial of service vulnerability in Bowser.sys can be exploited remotely to cause denial of service.
25. An elevation of privilege vulnerability in Windows Installer can be exploited remotely to gain privileges.
26. A spoofing vulnerability in Windows Authenticode can be exploited remotely to spoof user interface.
27. An information disclosure vulnerability in Windows Kernel Memory can be exploited remotely to obtain sensitive information.
28. An information disclosure vulnerability in Windows GDI can be exploited remotely to obtain sensitive information.

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

Windows 7 for 32-bit Systems Service Pack 1
Windows Server 2012 R2 (Server Core installation)
Windows Server 2016
Windows 10 Version 1909 for x64-based Systems
Windows 10 Version 1909 for 32-bit Systems
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows 10 Version 21H1 for ARM64-based Systems
Windows 10 Version 2004 for 32-bit Systems
Windows Server 2012
Windows RT 8.1
Windows 10 Version 1909 for ARM64-based Systems
Windows 10 for 32-bit Systems
Windows 7 for x64-based Systems Service Pack 1
Windows 8.1 for x64-based systems
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows 10 Version 2004 for x64-based Systems
Windows 10 Version 21H1 for x64-based Systems
Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 20H2 for ARM64-based Systems
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2016 (Server Core installation)
Windows 8.1 for 32-bit systems
Windows Server 2012 (Server Core installation)
Windows 10 Version 21H1 for 32-bit Systems
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2012 R2
Windows 10 Version 1809 for ARM64-based Systems
Windows 10 Version 2004 for ARM64-based Systems
Windows 10 Version 20H2 for x64-based Systems
Windows 10 Version 1607 for 32-bit Systems
Windows 10 for x64-based Systems
Windows 10 Version 20H2 for 32-bit Systems
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows Server, version 2004 (Server Core installation)
Windows Server, version 20H2 (Server Core Installation)
Windows 10 Version 1809 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)

CVE-2021-33783
CVE-2021-34492
CVE-2021-34497
CVE-2021-34442
CVE-2021-34444
CVE-2021-33765
CVE-2021-34504
CVE-2021-33786
CVE-2021-34456
CVE-2021-34494
CVE-2021-33788
CVE-2021-33754
CVE-2021-34446
CVE-2021-33752
CVE-2021-31183
CVE-2021-33750
CVE-2021-33745
CVE-2021-31979
CVE-2021-33756
CVE-2021-34440
CVE-2021-33749
CVE-2021-33764
CVE-2021-34448
CVE-2021-34499
CVE-2021-33757
CVE-2021-34457
CVE-2021-34441
CVE-2021-34507
CVE-2021-33746
CVE-2021-34498
CVE-2021-34516
CVE-2021-34447
CVE-2021-33780
CVE-2021-34476
CVE-2021-34511
CVE-2021-33782
CVE-2021-34514
CVE-2021-34500
CVE-2021-34496

5004289
5004307
5004299
5004305
5005563
5010384
5010422
5010403
5010404