CVE-2022-21911
.NET Framework Denial of Service Vulnerability
CVE-2022-21911 is fixed in 81 products on 1 platform, first by KB5009546, released January 11, 2022. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0323
88th percentile
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB5009714 | Jan 11, 2022 | |
| Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB5009722 | Jan 11, 2022 | |
| Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB5009714 | Jan 11, 2022 | |
| Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB5009722 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems | 14393.4886 | KB5009546 | Jan 11, 2022 |
| Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems | 14393.4886 | KB5009546 | Jan 11, 2022 |
| Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 | 14393.4886 | KB5009546 | Jan 11, 2022 |
| Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation) | 14393.4886 | KB5009546 | Jan 11, 2022 |
| Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems | KB5009718 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based Systems | KB5009718 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems | KB5009718 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 for 32-bit Systems | 10240.19177 | KB5009585 | Jan 11, 2022 |
| Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 for x64-based Systems | 10240.19177 | KB5009585 | Jan 11, 2022 |
| Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 | KB5009718 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation) | KB5009718 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems | KB5009718 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems | KB5009718 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for 32-bit Systems | KB5008879 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for ARM64-based Systems | KB5008879 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for x64-based Systems | KB5008879 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 20H2 for 32-bit Systems | KB5008876 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 20H2 for ARM64-based Systems | KB5008876 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H1 for 32-bit Systems | KB5008876 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H1 for ARM64-based Systems | KB5008876 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H1 for x64-based Systems | KB5008876 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for 32-bit Systems | KB5008876 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for ARM64-based Systems | KB5008876 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows 11 version 21H2 for x64-based Systems | KB5008880 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 | KB5009718 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation) | KB5009718 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 | KB5008882 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 (Server Core installation) | KB5008882 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 20H2 (Server Core Installation) | KB5008876 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit systems | KB5009721 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit systems | KB5009713 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based systems | KB5009721 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based systems | KB5009713 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 | KB5009720 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 | KB5009712 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation) | KB5009720 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation) | KB5009712 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 R2 | KB5009721 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 R2 | KB5009713 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation) | KB5009721 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation) | KB5009713 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1 | KB5009719 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1 | KB5009711 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1 | KB5009719 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1 | KB5009711 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5009719 | Jan 11, 2022 | |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5009711 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows 7 for 32-bit Systems Service Pack 1 | KB5009719 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows 7 for 32-bit Systems Service Pack 1 | KB5009711 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows 7 for x64-based Systems Service Pack 1 | KB5009719 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows 7 for x64-based Systems Service Pack 1 | KB5009711 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows 8.1 for 32-bit systems | KB5009721 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows 8.1 for 32-bit systems | KB5009713 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows 8.1 for x64-based systems | KB5009721 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows 8.1 for x64-based systems | KB5009713 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows RT 8.1 | KB5009721 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5009719 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5009711 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5009719 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5009711 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB5009714 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB5009722 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB5009714 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB5009722 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 | KB5009720 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 | KB5009712 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 (Server Core installation) | KB5009720 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 (Server Core installation) | KB5009712 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 | KB5009721 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 | KB5009713 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 (Server Core installation) | KB5009721 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 (Server Core installation) | KB5009713 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB5009714 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB5009722 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB5009714 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB5009722 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for 32-bit Systems Service Pack 1 | KB5009719 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for 32-bit Systems Service Pack 1 | KB5009711 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for x64-based Systems Service Pack 1 | KB5009719 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for x64-based Systems Service Pack 1 | KB5009711 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for 32-bit systems | KB5009721 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for 32-bit systems | KB5009713 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for x64-based systems | KB5009721 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for x64-based systems | KB5009713 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows RT 8.1 | KB5009721 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5009719 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5009711 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5009719 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5009711 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 | KB5009720 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 | KB5009712 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation) | KB5009720 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation) | KB5009712 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 | KB5009721 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 | KB5009713 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation) | KB5009721 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation) | KB5009713 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems | KB5008877 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems | KB5008877 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1 | KB5009719 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1 | KB5009711 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1 | KB5009719 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1 | KB5009711 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems | KB5009721 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems | KB5009713 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems | KB5009721 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems | KB5009713 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows RT 8.1 | KB5009721 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5009719 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB5009711 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5009719 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB5009711 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows Server 2012 | KB5009720 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows Server 2012 | KB5009712 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation) | KB5009720 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation) | KB5009712 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows Server 2012 R2 | KB5009721 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows Server 2012 R2 | KB5009713 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation) | KB5009721 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation) | KB5009713 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows Server 2016 | KB5008877 | Jan 11, 2022 | |
| Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation) | KB5008877 | Jan 11, 2022 | |
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