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 7.8 High
Windows CNG Key Isolation Service Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-591
- CVSS 7.5 High
Windows CryptoAPI Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Denial of service
- CVSS 7.5 High
Windows Peer Name Resolution Protocol Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.8 High
Win32k Elevation of Privilege Vulnerability
- Microsoft Windows Server 2022
- Microsoft Windows 11 version 21H2
- Memory corruption
- CVSS 6.5 Medium
Windows MSHTML Platform Security Feature Bypass Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-20
- CVSS 6.8 Medium
Windows Remote Desktop Protocol Security Feature Bypass
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Weak cryptography or TLS
- CVSS 7.5 High
Windows Extended Negotiation Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-126
- CVSS 6.5 Medium
Windows Authentication Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Denial of service
- CVSS 7.8 High
Windows Transaction Manager Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-197
- CVSS 5.5 Medium
Windows CDP User Components Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.5 High
Windows Print Spooler Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 5.5 Medium
Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-126
- CVSS 7.8 High
Windows OLE Remote Code Execution Vulnerability
- Microsoft Windows Server 2022
- Microsoft Windows 11 version 21H2
- Memory corruption
- CVSS 7.8 High
Connected User Experiences and Telemetry Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Path traversal
- CVSS 6.5 Medium
Remote Procedure Call Runtime Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 6.5 Medium
Remote Procedure Call Runtime Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 6.5 Medium
Remote Procedure Call Runtime Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 8.8 High
Windows Layer-2 Bridge Network Driver Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 6.5 Medium
Remote Procedure Call Runtime Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.8 High
Windows Online Certificate Status Protocol (OCSP) SnapIn Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 8.8 HighCritical · KEVKEV
Windows SmartScreen Security Feature Bypass Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CVSS 7.8 HighCritical · KEVKEV
Windows MSHTML Platform Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CVSS 7.5 High
Microsoft Message Queuing (MSMQ) Denial of Service 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
- Memory corruption
- CVSS 6.8 Medium
Windows Remote Desktop Security Feature Bypass Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Weak cryptography or TLS
- CVSS 6.5 Medium
OLE Automation Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 5.5 Medium
Windows Update Orchestrator Service Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 5.5 Medium
Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 5.5 Medium
Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 8.8 High
Microsoft ODBC Driver Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 6.5 Medium
Windows Layer-2 Bridge Network Driver Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-20
- CVSS 6.5 Medium
Remote Procedure Call Runtime Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 6.5 Medium
Remote Procedure Call Runtime Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 5.5 Medium
Windows Cryptographic Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Information disclosure
- CVSS 6.5 Medium
Remote Procedure Call Runtime Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-126
- CVSS 6.5 Medium
Remote Procedure Call Runtime Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-126
- CVSS 6.5 Medium
Remote Procedure Call Runtime Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-126
- CVSS 6.5 Medium
Remote Procedure Call Runtime Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-126
- CVSS 6.5 Medium
Remote Procedure Call Runtime Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-126
- CVSS 6.5 Medium
Remote Procedure Call Runtime Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-126
- CVSS 7.8 High
Windows Win32k Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 6.5 Medium
Windows CryptoAPI Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-20
- CVSS 4.7 Medium
Windows Kernel Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CVSS 7.8 High
Microsoft PostScript Printer Driver Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 5.5 Medium
Windows Installer Information Disclosure Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 9.8 CriticalCritical · CVSS 9+
Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-20
- CVSS 9.8 CriticalCritical · CVSS 9+
Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 5.3 Medium
Windows Hyper-V Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Denial of service
- CVSS 7.8 High
Windows Container Manager Service Elevation of Privilege Vulnerability
- Microsoft Windows 11 version 21H2
- Microsoft Windows 10 Version 21H2
- Path traversal
- CVSS 7.5 High
Windows iSCSI Discovery Service Denial of Service Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 8.8 High
Windows Collaborative Translation Framework Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Broken access control
- CVSS 7.8 High
Windows Resilient File System (ReFS) Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 8.8 High
Microsoft ODBC Driver Remote Code Execution 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 7.8 High
Windows GDI Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- CWE-20
- CVSS 7.8 High
Windows Media Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.0 High
Windows Filtering Platform Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.8 High
Windows Geolocation Service Remote Code Execution Vulnerability
- Microsoft Windows Server 2022
- Microsoft Windows 11 version 21H2
- Memory corruption
- CVSS 7.8 High
Windows Media Remote Code Execution Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption
- CVSS 7.0 High
Windows Authentication Elevation of Privilege Vulnerability
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Memory corruption