KLA12112
Multiple vulnerabilities in Microsoft Products (ESU)

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

Below is a complete list of vulnerabilities:

1. A memory corruption vulnerability in Internet Explorer can be exploited remotely to execute arbitrary code.
2. An elevation of privilege vulnerability in Windows UPnP Device Host can be exploited remotely to gain privileges.
3. An elevation of privilege vulnerability in Windows Win32k can be exploited remotely to gain privileges.
4. A denial of service vulnerability in Windows DNS Server can be exploited remotely to cause denial of service.
5. A remote code execution vulnerability in Windows DNS Server can be exploited remotely to execute arbitrary code.
6. An information disclosure vulnerability in Windows Event Tracing can be exploited remotely to obtain sensitive information.
7. An elevation of privilege vulnerability in Windows Print Spooler can be exploited remotely to gain privileges.
8. An elevation of privilege vulnerability in Windows Event Tracing can be exploited remotely to gain privileges.
9. An information disclosure vulnerability in Windows ActiveX Installer Service can be exploited remotely to obtain sensitive information.
10. A remote code execution vulnerability in Windows Graphics Component can be exploited remotely to execute arbitrary code.
11. A remote code execution vulnerability in Microsoft Windows Media Foundation can be exploited remotely to execute arbitrary code.
12. An elevation of privilege vulnerability in Remote Access API can be exploited remotely to gain privileges.
13. An elevation of privilege vulnerability in Windows Installer can be exploited remotely to gain privileges.
14. An elevation of privilege vulnerability in Windows User Profile Service can be exploited remotely to gain privileges.
15. An elevation of privilege vulnerability in Microsoft Windows Folder Redirection can be exploited remotely to gain privileges.

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 2008 for x64-based Systems Service Pack 2
Windows 7 for x64-based Systems Service Pack 1
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Internet Explorer 9
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 for 32-bit Systems Service Pack 2 (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)

CVE-2021-26411
CVE-2021-26899
CVE-2021-26875
CVE-2021-27063
CVE-2021-26895
CVE-2021-24107
CVE-2021-26878
CVE-2021-27077
CVE-2021-26894
CVE-2021-26898
CVE-2021-26893
CVE-2021-26896
CVE-2021-26869
CVE-2021-26877
CVE-2021-1640
CVE-2021-26897
CVE-2021-26872
CVE-2021-26861
CVE-2021-26901
CVE-2021-26881
CVE-2021-26882
CVE-2021-26862
CVE-2021-26873
CVE-2021-26887

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