KLA12112
Multiple vulnerabilities in Microsoft Products (ESU)

Updated: 05/12/2021
Detect date
?
03/09/2021
Severity
?
Critical
Description

Multiple vulnerabilities were found in Microsoft Products (Extended Support 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.
Exploitation

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

Affected products

Windows Server 2012 R2
Windows Server, version 1909 (Server Core installation)
Windows 7 for 32-bit Systems Service Pack 1
Windows 10 Version 2004 for x64-based Systems
Windows RT 8.1
Windows 10 Version 1909 for ARM64-based Systems
Windows 10 Version 20H2 for x64-based Systems
Windows Server 2008 for x64-based Systems Service Pack 2
Internet Explorer 11
Windows Server, version 2004 (Server Core installation)
Windows Server 2016 (Server Core installation)
Windows 10 Version 2004 for ARM64-based Systems
Windows 7 for x64-based Systems Service Pack 1
Windows Server 2016
Windows 10 for 32-bit Systems
Windows 10 Version 1803 for x64-based Systems
Windows 8.1 for 32-bit systems
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows 10 Version 1803 for ARM64-based Systems
Windows 10 Version 1607 for 32-bit Systems
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2019
Windows 10 Version 20H2 for 32-bit Systems
Windows 10 Version 1809 for 32-bit Systems
Internet Explorer 9
Windows 10 Version 1909 for 32-bit Systems
Windows 10 Version 1909 for x64-based Systems
Microsoft Edge (EdgeHTML-based)
Windows 10 Version 1809 for x64-based Systems
Windows 8.1 for x64-based systems
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows 10 Version 2004 for 32-bit Systems
Windows 10 Version 1803 for 32-bit Systems
Windows Server 2019 (Server Core installation)
Windows 10 for x64-based Systems
Windows Server 2012
Windows Server, version 20H2 (Server Core Installation)
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows 10 Version 20H2 for ARM64-based Systems
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows 10 Version 1809 for ARM64-based Systems
Windows 10 Version 1607 for x64-based Systems
Windows Server 2012 R2 (Server Core installation)
Windows Server 2012 (Server Core installation)

Solution

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

Original advisories

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

Impacts
?
ACE 
[?]

OSI 
[?]

DoS 
[?]

PE 
[?]
Related products
Microsoft Internet Explorer
Microsoft Windows
Microsoft Windows Server
Microsoft Windows Server 2012
Microsoft Windows 8
Microsoft Windows 7
Microsoft Windows Server 2008
Windows RT
Microsoft Windows 10
Microsoft Edge
CVE-IDS
?
CVE-2021-264115.1High
CVE-2021-268997.2High
CVE-2021-268754.6Warning
CVE-2021-270635.0Critical
CVE-2021-2689510.0Critical
CVE-2021-241072.1Warning
CVE-2021-268784.6Warning
CVE-2021-270774.6Warning
CVE-2021-2689410.0Critical
CVE-2021-268987.2High
CVE-2021-268937.5Critical
CVE-2021-268965.0Critical
CVE-2021-268692.1Warning
CVE-2021-268777.5Critical
CVE-2021-16404.6Warning
CVE-2021-2689710.0Critical
CVE-2021-268724.6Warning
CVE-2021-268616.8High
CVE-2021-269017.2High
CVE-2021-268816.5High
CVE-2021-268824.6Warning
CVE-2021-268627.2High
CVE-2021-268734.6Warning
KB list

5000800
5000841
5000851
5000856
5000844

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