Advisories · Technology
Microsoft Windows 11 version 21H2.
Every CVE that names Microsoft Windows 11 version 21H2 among its affected products, newest first. Vendors and products are as the CNA wrote them; check the affected versions on each record.
- CVSS 7.0 High
Windows Kernel Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-591
- CVSS 5.5 Medium
Windows Kernel Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Broken access control
- CVSS 7.0 High
Windows Kernel Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Race condition
- CVSS 5.5 Medium
Windows Hyper-V Information Disclosure Vulnerability
- Microsoft Windows Server 2022
- Microsoft Windows 11 version 21H2
- CWE-20
- CVSS 7.8 High
Windows Hyper-V Elevation of Privilege Vulnerability
- Microsoft Windows Server 2022
- Microsoft Windows 11 version 21H2
- CWE-20
- CVSS 7.8 High
Windows Hyper-V Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 8.8 HighCritical · CVSS 7+ and EPSS
Windows Scripting Engine Memory Corruption Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.8 HighCritical · KEV, CVSS 7+ and EPSSKEV
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 8.8 High
Microsoft Remote Registry Service Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.8 HighCritical · KEV, CVSS 7+ and EPSSKEV
Windows Common Log File System Driver Elevation of Privilege Vulnerability
- Microsoft Windows 11 version 22H3
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
- Memory corruption
- CVSS 8.0 High
Windows Distributed File System (DFS) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.0 High
Windows Hyper-V Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CVSS 5.5 Medium
Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.8 High
Windows Installer Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Path traversal
- CVSS 7.8 High
Microsoft Speech Application Programming Interface (SAPI) Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-20
- CVSS 7.8 High
Windows MSHTML Platform Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CVSS 7.8 High
Win32k Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.0 High
Win32k Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.0 High
Windows Graphics Component Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-591
- CVSS 8.1 High
Layer 2 Tunneling Protocol Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.5 High
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Denial of service
- CVSS 9.8 CriticalCritical · CVSS 9+
Windows IIS Server Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 22H2
- Microsoft Windows 11 version 22H2
- Authentication bypass
- CVSS 7.5 High
Windows TCP/IP Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CVSS 7.8 High
PrintHTML API Remote Code Execution Vulnerability
- Microsoft Windows 11 version 22H2
- Microsoft Windows 10 Version 22H2
- CVSS 6.5 MediumCritical · KEVKEV
Microsoft WordPad Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-20
- CVSS 6.5 Medium
Windows Search Security Feature Bypass Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CVSS 7.5 High
Windows Deployment Services Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.3 High
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Code injection
- CVSS 7.3 High
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Code injection
- CVSS 7.3 High
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Code injection
- CVSS 7.3 High
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Code injection
- CVSS 7.3 High
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Code injection
- CVSS 7.3 High
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Code injection
- CVSS 5.5 Medium
Windows Kernel Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 8.8 High
Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.3 High
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.5 High
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Denial of service
- CVSS 7.5 High
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-126
- CVSS 7.3 High
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.3 High
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 5.4 MediumCritical · KEVKEV
Windows Mark of the Web Security Feature Bypass Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CVSS 7.5 High
Windows upnphost.dll Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-20
- CVSS 7.3 High
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Code injection
- CVSS 7.3 High
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CVSS 7.3 High
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Code injection
- CVSS 7.3 High
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Code injection
- CVSS 7.8 High
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.8 High
Windows Graphics Component Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.5 High
Remote Procedure Call Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.8 High
Microsoft WDAC ODBC Driver Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.5 High
Windows TCP/IP Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.5 High
Windows TCP/IP Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.4 High
Windows Named Pipe Filesystem Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.5 HighCritical · CVSS 7+ and EPSS
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Denial of service
- CVSS 6.8 Medium
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-20
- CVSS 4.4 Medium
Windows Kernel Security Feature Bypass Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Race condition
- CVSS 7.8 High
Microsoft Resilient File System (ReFS) Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.8 High
Microsoft DirectMusic Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Code injection
- CVSS 7.5 High
Microsoft AllJoyn API Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.8 High
Windows Media Foundation Core Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-197