8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.3 High
AI Score
Confidence
High
9 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:S/C:C/I:C/A:C
0.967 High
EPSS
Percentile
99.6%
07/01/2021
Critical
A remote code execution vulnerability was found in Microsoft Windows. Malicious users can exploit this vulnerability to execute arbitrary code.
Public exploits exist for this vulnerability.
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)
ACE
CVE-2021-345278.8Critical
5004948
5004945
5004958
5004954
5004950
5004956
5004960
5004947
5005575
5007215
5008212
5018427
5019959
support.microsoft.com/kb/5004945
support.microsoft.com/kb/5004947
support.microsoft.com/kb/5004948
support.microsoft.com/kb/5004950
support.microsoft.com/kb/5004954
support.microsoft.com/kb/5004956
support.microsoft.com/kb/5004958
support.microsoft.com/kb/5004960
support.microsoft.com/kb/5005575
support.microsoft.com/kb/5007215
support.microsoft.com/kb/5008212
support.microsoft.com/kb/5018427
support.microsoft.com/kb/5019959
api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34527
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34527
portal.msrc.microsoft.com/en-us/security-guidance
statistics.securelist.com/vulnerability-scan/month
threats.kaspersky.com/en/class/Exploit/
threats.kaspersky.com/en/product/Microsoft-Windows-10/
threats.kaspersky.com/en/product/Microsoft-Windows-7/
threats.kaspersky.com/en/product/Microsoft-Windows-8/
threats.kaspersky.com/en/product/Microsoft-Windows-Server-2008/
threats.kaspersky.com/en/product/Microsoft-Windows-Server-2012/
threats.kaspersky.com/en/product/Microsoft-Windows-Server/
threats.kaspersky.com/en/product/Microsoft-Windows/
threats.kaspersky.com/en/product/Windows-RT/
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.3 High
AI Score
Confidence
High
9 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:S/C:C/I:C/A:C
0.967 High
EPSS
Percentile
99.6%