Microsoft Windows 11 Version 21H2 vulnerabilities

1,560 known vulnerabilities affecting microsoft/windows_11_version_21h2.

Total CVEs
1,560
CISA KEV
67
actively exploited
Public exploits
24
Exploited in wild
77
Severity breakdown
CRITICAL51HIGH1137MEDIUM368LOW4

Vulnerabilities

Page 47 of 78
CVE-2023-21728HIGHCVSS 7.5≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21728 [HIGH] CWE-400 Windows Netlogon Denial of Service Vulnerability Windows Netlogon Denial of Service Vulnerability Windows Netlogon Denial of Service Vulnerability
cvelistv5
CVE-2023-21546HIGHCVSS 8.1≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21546 [HIGH] CWE-591 CVE-2023-21546: Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability
nvd
CVE-2023-21732HIGHCVSS 8.8≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21732 [HIGH] CWE-121 CVE-2023-21732: Microsoft ODBC Driver Remote Code Execution Vulnerability Microsoft ODBC Driver Remote Code Execution Vulnerability
nvd
CVE-2023-21749HIGHCVSS 7.8≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21749 [HIGH] CWE-20 CVE-2023-21749: Windows Kernel Elevation of Privilege Vulnerability Windows Kernel Elevation of Privilege Vulnerability
nvd
CVE-2023-21771HIGHCVSS 7.0≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21771 [HIGH] CWE-591 CVE-2023-21771: Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability
nvd
CVE-2023-21747HIGHCVSS 7.8≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21747 [HIGH] CWE-416 CVE-2023-21747: Windows Kernel Elevation of Privilege Vulnerability Windows Kernel Elevation of Privilege Vulnerability
nvd
CVE-2023-21543HIGHCVSS 8.1≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21543 [HIGH] CWE-400 CVE-2023-21543: Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability
nvd
CVE-2023-21679HIGHCVSS 8.1≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21679 [HIGH] CWE-416 CVE-2023-21679: Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability
nvd
CVE-2023-21755HIGHCVSS 7.8≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21755 [HIGH] CWE-416 CVE-2023-21755: Windows Kernel Elevation of Privilege Vulnerability Windows Kernel Elevation of Privilege Vulnerability
nvd
CVE-2023-21558HIGHCVSS 7.8≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21558 [HIGH] CWE-20 CVE-2023-21558: Windows Error Reporting Service Elevation of Privilege Vulnerability Windows Error Reporting Service Elevation of Privilege Vulnerability
nvd
CVE-2023-21752HIGHCVSS 7.1PoC≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21752 [HIGH] CWE-284 CVE-2023-21752: Windows Backup Service Elevation of Privilege Vulnerability Windows Backup Service Elevation of Privilege Vulnerability
nvd
CVE-2023-21683HIGHCVSS 7.5≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21683 [HIGH] CWE-476 CVE-2023-21683: Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability
nvd
CVE-2023-21773HIGHCVSS 7.8≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21773 [HIGH] CWE-416 CVE-2023-21773: Windows Kernel Elevation of Privilege Vulnerability Windows Kernel Elevation of Privilege Vulnerability
nvd
CVE-2023-21774HIGHCVSS 7.8≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21774 [HIGH] CWE-416 CVE-2023-21774: Windows Kernel Elevation of Privilege Vulnerability Windows Kernel Elevation of Privilege Vulnerability
nvd
CVE-2023-21681HIGHCVSS 8.8≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21681 [HIGH] CWE-191 CVE-2023-21681: Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability
nvd
CVE-2023-21675HIGHCVSS 7.8≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21675 [HIGH] CWE-843 CVE-2023-21675: Windows Kernel Elevation of Privilege Vulnerability Windows Kernel Elevation of Privilege Vulnerability
nvd
CVE-2023-21757HIGHCVSS 7.5≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21757 [HIGH] CWE-476 CVE-2023-21757: Windows Layer 2 Tunneling Protocol (L2TP) Denial of Service Vulnerability Windows Layer 2 Tunneling Protocol (L2TP) Denial of Service Vulnerability
nvd
CVE-2023-21758HIGHCVSS 7.5≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21758 [HIGH] CWE-476 CVE-2023-21758: Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability
nvd
CVE-2023-21746HIGHCVSS 7.8≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21746 [HIGH] Windows NTLM Elevation of Privilege Vulnerability Windows NTLM Elevation of Privilege Vulnerability Windows NTLM Elevation of Privilege Vulnerability
cvelistv5
CVE-2023-21548HIGHCVSS 8.1≥ 10.0.0, < 10.0.22000.14552023-01-10
CVE-2023-21548 [HIGH] CWE-591 CVE-2023-21548: Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability
nvd
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