Kaspersky Threats

Detect date

?

06/08/2021

Severity

?

Critical

Description

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

Below is a complete list of vulnerabilities:

An elevation of privilege vulnerability in Windows NTFS can be exploited remotely to gain privileges.
An elevation of privilege vulnerability in Windows GPSVC can be exploited remotely to gain privileges.
A remote code execution vulnerability in Windows MSHTML Platform can be exploited remotely to execute arbitrary code.
An elevation of privilege vulnerability in Windows Common Log File System Driver can be exploited remotely to gain privileges.
An elevation of privilege vulnerability in Microsoft Enhanced Cryptographic Provider can be exploited remotely to gain privileges.
An elevation of privilege vulnerability in Windows Print Spooler can be exploited remotely to gain privileges.
An elevation of privilege vulnerability in Windows Filter Manager can be exploited remotely to gain privileges.
A denial of service vulnerability in Windows Remote Desktop Services can be exploited remotely to cause denial of service.
An elevation of privilege vulnerability in Windows NTLM can be exploited remotely to gain privileges.
A security feature bypass vulnerability in Windows HTML Platform can be exploited remotely to bypass security restrictions.
A security bypass vulnerability in Windows DCOM Server can be exploited remotely to bypass security restrictions.
A memory corruption vulnerability in Scripting Engine can be exploited remotely to execute arbitrary code.
A security feature bypass vulnerability in Kerberos AppContainer can be exploited remotely to bypass security restrictions.

Exploitation

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

Affected products

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

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-2021-31956
CVE-2021-31973
CVE-2021-33742
CVE-2021-31954
CVE-2021-31201
CVE-2021-31199
CVE-2021-1675
CVE-2021-31953
CVE-2021-31968
CVE-2021-31958
CVE-2021-31971
CVE-2021-26414
CVE-2021-31959
CVE-2021-31962

Impacts

?

ACE

[?]

DoS

[?]

SB

[?]

PE

[?]

Detect date ?	06/08/2021
Severity ?	Critical
Description	Multiple vulnerabilities were found in Microsoft Products (Extended Security Update). Malicious users can exploit these vulnerabilities to gain privileges, execute arbitrary code, cause denial of service, bypass security restrictions. Below is a complete list of vulnerabilities: An elevation of privilege vulnerability in Windows NTFS can be exploited remotely to gain privileges. An elevation of privilege vulnerability in Windows GPSVC can be exploited remotely to gain privileges. A remote code execution vulnerability in Windows MSHTML Platform can be exploited remotely to execute arbitrary code. An elevation of privilege vulnerability in Windows Common Log File System Driver can be exploited remotely to gain privileges. An elevation of privilege vulnerability in Microsoft Enhanced Cryptographic Provider can be exploited remotely to gain privileges. An elevation of privilege vulnerability in Windows Print Spooler can be exploited remotely to gain privileges. An elevation of privilege vulnerability in Windows Filter Manager can be exploited remotely to gain privileges. A denial of service vulnerability in Windows Remote Desktop Services can be exploited remotely to cause denial of service. An elevation of privilege vulnerability in Windows NTLM can be exploited remotely to gain privileges. A security feature bypass vulnerability in Windows HTML Platform can be exploited remotely to bypass security restrictions. A security bypass vulnerability in Windows DCOM Server can be exploited remotely to bypass security restrictions. A memory corruption vulnerability in Scripting Engine can be exploited remotely to execute arbitrary code. A security feature bypass vulnerability in Kerberos AppContainer can be exploited remotely to bypass security restrictions.
Exploitation	Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.
Affected products	Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) Windows 10 for x64-based Systems Windows 10 Version 1809 for x64-based Systems Windows 8.1 for 32-bit systems Windows 10 Version 1809 for ARM64-based Systems Windows 10 Version 20H2 for ARM64-based Systems Windows 10 Version 1909 for ARM64-based Systems Windows 10 Version 1607 for x64-based Systems Windows 10 Version 20H2 for 32-bit Systems Windows Server, version 2004 (Server Core installation) Windows 10 Version 1909 for 32-bit Systems Windows 10 Version 2004 for x64-based Systems Windows Server 2019 (Server Core installation) Windows Server 2012 R2 (Server Core installation) Windows Server 2008 for x64-based Systems Service Pack 2 Windows 10 Version 21H1 for 32-bit Systems Windows 10 Version 1909 for x64-based Systems Windows 10 Version 21H1 for ARM64-based Systems Windows Server 2012 Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) Windows 10 Version 21H1 for x64-based Systems Windows Server 2012 (Server Core installation) Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) Windows RT 8.1 Windows 7 for 32-bit Systems Service Pack 1 Windows 10 for 32-bit Systems Windows Server 2019 Windows 10 Version 1607 for 32-bit Systems Windows Server 2016 Windows Server 2008 for 32-bit Systems Service Pack 2 Windows 10 Version 1809 for 32-bit Systems Windows 10 Version 20H2 for x64-based Systems Windows 10 Version 2004 for ARM64-based Systems Windows 10 Version 2004 for 32-bit Systems Windows Server 2012 R2 Windows Server 2016 (Server Core installation) Windows Server 2008 R2 for x64-based Systems Service Pack 1 Windows 7 for x64-based Systems Service Pack 1 Windows Server, version 20H2 (Server Core Installation) Windows 8.1 for x64-based systems
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-2021-31956 CVE-2021-31973 CVE-2021-33742 CVE-2021-31954 CVE-2021-31201 CVE-2021-31199 CVE-2021-1675 CVE-2021-31953 CVE-2021-31968 CVE-2021-31958 CVE-2021-31971 CVE-2021-26414 CVE-2021-31959 CVE-2021-31962
Impacts ?	ACE [?] DoS [?] SB [?] PE [?]
Related products	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 official advisories	Microsoft Security Update Guide
KB list	5003695 5003636 5003661 5003667 5003694 5014742 5014748 5023755 5023754 5023759 5023769
	Find out the statistics of the vulnerabilities spreading in your region

KLA12198Multiple vulnerabilities in Microsoft Products (ESU)

KLA12198
Multiple vulnerabilities in Microsoft Products (ESU)