CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
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
AI Score
Confidence
High
EPSS
Percentile
86.4%
Multiple vulnerabilities were found in Microsoft Products (Extended Support Update). Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information, gain privileges, bypass security restrictions, cause denial of service.
Below is a complete list of vulnerabilities:
Public exploits exist for this vulnerability.
Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.
CVE-2021-1658 critical
CVE-2021-1708 high
CVE-2021-1704 high
CVE-2021-1653 critical
CVE-2021-1659 critical
CVE-2021-1666 critical
CVE-2021-1673 critical
CVE-2021-1694 critical
CVE-2021-1671 critical
CVE-2021-1702 critical
CVE-2021-1667 critical
CVE-2021-1696 high
CVE-2021-1701 critical
CVE-2021-1668 critical
CVE-2021-1657 critical
CVE-2021-1706 high
CVE-2021-1660 critical
CVE-2021-1678 critical
CVE-2021-1656 high
CVE-2021-1654 critical
CVE-2021-1693 critical
CVE-2021-1649 critical
CVE-2021-1652 critical
CVE-2021-1664 critical
CVE-2021-1695 critical
CVE-2021-1674 critical
CVE-2021-1679 high
CVE-2021-1661 critical
CVE-2021-1709 high
CVE-2021-1700 critical
CVE-2021-1699 high
CVE-2021-1655 critical
CVE-2021-1676 high
CVE-2021-1665 critical
CVE-2021-1688 critical
Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)
Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.
Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.
Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.
Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.
Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.
support.microsoft.com/kb/4598279
support.microsoft.com/kb/4598287
support.microsoft.com/kb/4598288
support.microsoft.com/kb/4598289
support.microsoft.com/kb/5005606
support.microsoft.com/kb/5005615
support.microsoft.com/kb/5005618
support.microsoft.com/kb/5005633
nvd.nist.gov/vuln/detail/CVE-2021-1649
nvd.nist.gov/vuln/detail/CVE-2021-1652
nvd.nist.gov/vuln/detail/CVE-2021-1653
nvd.nist.gov/vuln/detail/CVE-2021-1654
nvd.nist.gov/vuln/detail/CVE-2021-1655
nvd.nist.gov/vuln/detail/CVE-2021-1656
nvd.nist.gov/vuln/detail/CVE-2021-1657
nvd.nist.gov/vuln/detail/CVE-2021-1658
nvd.nist.gov/vuln/detail/CVE-2021-1659
nvd.nist.gov/vuln/detail/CVE-2021-1660
nvd.nist.gov/vuln/detail/CVE-2021-1661
nvd.nist.gov/vuln/detail/CVE-2021-1664
nvd.nist.gov/vuln/detail/CVE-2021-1665
nvd.nist.gov/vuln/detail/CVE-2021-1666
nvd.nist.gov/vuln/detail/CVE-2021-1667
nvd.nist.gov/vuln/detail/CVE-2021-1668
nvd.nist.gov/vuln/detail/CVE-2021-1671
nvd.nist.gov/vuln/detail/CVE-2021-1673
nvd.nist.gov/vuln/detail/CVE-2021-1674
nvd.nist.gov/vuln/detail/CVE-2021-1676
nvd.nist.gov/vuln/detail/CVE-2021-1678
nvd.nist.gov/vuln/detail/CVE-2021-1679
nvd.nist.gov/vuln/detail/CVE-2021-1688
nvd.nist.gov/vuln/detail/CVE-2021-1693
nvd.nist.gov/vuln/detail/CVE-2021-1694
nvd.nist.gov/vuln/detail/CVE-2021-1695
nvd.nist.gov/vuln/detail/CVE-2021-1696
nvd.nist.gov/vuln/detail/CVE-2021-1699
nvd.nist.gov/vuln/detail/CVE-2021-1700
nvd.nist.gov/vuln/detail/CVE-2021-1701
nvd.nist.gov/vuln/detail/CVE-2021-1702
nvd.nist.gov/vuln/detail/CVE-2021-1704
nvd.nist.gov/vuln/detail/CVE-2021-1706
nvd.nist.gov/vuln/detail/CVE-2021-1708
nvd.nist.gov/vuln/detail/CVE-2021-1709
statistics.securelist.com/
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/
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
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
AI Score
Confidence
High
EPSS
Percentile
86.4%