KLA12423
Multiple vulnerabilities in Microsoft Products (ESU)

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

Below is a complete list of vulnerabilities:

1. A security feature bypass vulnerability in Workstation Service Remote Protocol can be exploited remotely to bypass security restrictions.
2. A security feature bypass vulnerability in Windows Hyper-V can be exploited remotely to bypass security restrictions.
3. A security feature bypass vulnerability in Windows BackupKey Remote Protocol can be exploited remotely to bypass security restrictions.
4. A spoofing vulnerability in Windows Certificate can be exploited remotely to spoof user interface.
5. An information disclosure vulnerability in Windows GDI+ can be exploited remotely to obtain sensitive information.
6. An elevation of privilege vulnerability in Windows Accounts Control can be exploited remotely to gain privileges.
7. A denial of service vulnerability in Windows IKE Extension can be exploited remotely to cause denial of service.
8. An elevation of privilege vulnerability in Virtual Machine IDE Drive can be exploited remotely to gain privileges.
9. An elevation of privilege vulnerability in Windows Installer can be exploited remotely to gain privileges.
10. A remote code execution vulnerability in Remote Desktop Protocol can be exploited remotely to execute arbitrary code.
11. An elevation of privilege vulnerability in Windows User-mode Driver Framework Reflector Driver can be exploited remotely to gain privileges.
12. An information disclosure vulnerability in Windows GDI can be exploited remotely to obtain sensitive information.
13. A remote code execution vulnerability in Remote Procedure Call Runtime can be exploited remotely to execute arbitrary code.
14. An elevation of privilege vulnerability in Windows Cleanup Manager can be exploited remotely to gain privileges.
15. An elevation of privilege vulnerability in Local Security Authority Subsystem Service can be exploited remotely to gain privileges.
16. An elevation of privilege vulnerability in Windows Common Log File System Driver can be exploited remotely to gain privileges.
17. A remote code execution vulnerability in Remote Desktop Client can be exploited remotely to execute arbitrary code.
18. An elevation of privilege vulnerability in Active Directory Domain Services can be exploited remotely to gain privileges.
19. An elevation of privilege vulnerability in Windows Application Model Core API can be exploited remotely to gain privileges.
20. A security bypass vulnerability in Local Security Authority can be exploited remotely to bypass security restrictions.
21. An elevation of privilege vulnerability in Microsoft Cryptographic Services can be exploited remotely to gain privileges.
22. An elevation of privilege vulnerability in Windows GDI can be exploited remotely to gain privileges.
23. An elevation of privilege vulnerability in Windows User Profile Service can be exploited remotely to gain privileges.
24. A security feature bypass vulnerability in Windows Extensible Firmware Interface can be exploited remotely to bypass security restrictions.
25. An elevation of privilege vulnerability in Windows Remote Access Connection Manager can be exploited remotely to gain privileges.
26. An elevation of privilege vulnerability in Windows Kerberos can be exploited remotely to gain privileges.

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

Windows Server, version 20H2 (Server Core Installation)
Windows 8.1 for x64-based systems
Windows 10 Version 20H2 for ARM64-based Systems
Windows Server 2012 R2 (Server Core installation)
Windows Server 2022
Windows 10 Version 1909 for x64-based Systems
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows 10 Version 21H1 for ARM64-based Systems
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2012 (Server Core installation)
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2022 (Server Core installation)
Windows 11 for ARM64-based Systems
Windows Server 2019
Windows 10 Version 1809 for ARM64-based Systems
Windows Server 2016
Windows Server 2019 (Server Core installation)
Windows 10 Version 1607 for 32-bit Systems
Windows 8.1 for 32-bit systems
Windows 10 Version 1809 for x64-based Systems
Windows Server 2016 (Server Core installation)
Windows 7 for 32-bit Systems Service Pack 1
Windows 10 Version 21H1 for 32-bit Systems
Windows 10 Version 20H2 for 32-bit Systems
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2012 R2
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 21H1 for x64-based Systems
Windows 7 for x64-based Systems Service Pack 1
Windows 10 for x64-based Systems
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 20H2 for x64-based Systems
Windows 10 Version 21H2 for 32-bit Systems
Windows 10 Version 21H2 for ARM64-based Systems
Windows 10 Version 1909 for ARM64-based Systems
Windows 11 for x64-based Systems
Windows 10 Version 1909 for 32-bit Systems
Windows Server 2012
Windows 10 Version 21H2 for x64-based Systems
Windows 10 for 32-bit Systems
Windows RT 8.1
Windows Server 2008 R2 for x64-based Systems Service Pack 1

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

5009627
5009601
5009621
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