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Vulnerability Change Records for CVE-2020-0909

Change History

CVE Modified by Microsoft Corporation 8/19/2026 1:17:07 PM

Action Type Old Value New Value
Changed Description
A denial of service vulnerability exists when Hyper-V on a Windows Server fails to properly handle specially crafted network packets.To exploit the vulnerability, an attacker would send specially crafted network packets to the Hyper-V Server.The security update addresses the vulnerability by resolving the conditions where Hyper-V would fail to properly handle these network packets., aka 'Windows Hyper-V Denial of Service Vulnerability'.
A denial of service vulnerability exists when Hyper-V on a Windows Server fails to properly handle specially crafted network packets.
To exploit the vulnerability, an attacker would send specially crafted network packets to the Hyper-V Server.
The security update addresses the vulnerability by resolving the conditions where Hyper-V would fail to properly handle these network packets.
Added CVSS V3.1

                  
                
              
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added Reference

                  
                
              
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-0909
Removed Reference
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0909

                  
                
              
Removed Reference Type
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0909 Types: Patch, Vendor Advisory

                  
                
              
Changed Affected
[{"vendor":"Microsoft","product":"Windows","versions":[{"version":"10 Version 1803 for x64-based Systems","status":"affected"},{"version":"10 Version 1809 for x64-based Systems","status":"affected"},{"version":"10 Version 1709 for x64-based Systems","status":"affected"},{"version":"10 for x64-based Systems","status":"affected"},{"version":"10 Version 1607 for x64-based Systems","status":"affected"},{"version":"7 for x64-based Systems Service Pack 1","status":"affected"},{"version":"8.1 for x64-based systems","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server","versions":[{"version":"version 1803  (Core Installation)","status":"affected"},{"version":"2019","status":"affected"},{"version":"2019  (Core installation)","status":"affected"},{"version":"2016","status":"affected"},{"version":"2016  (Core installation)","status":"affected"},{"version":"2008 for x64-based Systems Service Pack 2","status":"affected"},{"version":"2008 for x64-based Systems Service Pack 2 (Core installation)","status":"affected"},{"version":"2008 R2 for x64-based Systems Service Pack 1","status":"affected"},{"version":"2008 R2 for x64-based Systems Service Pack 1 (Core installation)","status":"affected"},{"version":"2012","status":"affected"},{"version":"2012 (Core installation)","status":"affected"},{"version":"2012 R2","status":"affected"},{"version":"2012 R2 (Core installation)","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 10 Version 1903 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server, version 1903 (Server Core installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 10 Version 1909 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server, version 1909 (Server Core installation)","versions":[{"version":"unspecified","status":"affected"}]}]
[{"vendor":"Microsoft","product":"Windows 10 Version 1507","platforms":["x64-based Systems"],"versions":[{"version":"10.0.10240.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 10 Version 1607","platforms":["x64-based Systems"],"versions":[{"version":"10.0.14393.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 10 Version 1709","platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 10 Version 1803","platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 10 Version 1809","platforms":["x64-based Systems"],"versions":[{"version":"10.0.17763.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 10 Version 1903 for x64-based Systems","versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 10 Version 1909","platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 7 Service Pack 1","platforms":["x64-based Systems"],"versions":[{"version":"6.1.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows 8.1","platforms":["x64-based Systems"],"versions":[{"version":"6.3.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2008 R2 Service Pack 1","platforms":["x64-based Systems"],"versions":[{"version":"6.1.7601.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2008 R2 Service Pack 1 (Server Core installation)","platforms":["x64-based Systems"],"versions":[{"version":"6.1.7601.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2008 Service Pack 2","platforms":["x64-based Systems"],"versions":[{"version":"6.0.6003.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2008 Service Pack 2 (Server Core installation)","platforms":["x64-based Systems"],"versions":[{"version":"6.0.6003.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2012","platforms":["x64-based Systems"],"versions":[{"version":"6.2.9200.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2012 (Server Core installation)","platforms":["x64-based Systems"],"versions":[{"version":"6.2.9200.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2012 R2","platforms":["x64-based Systems"],"versions":[{"version":"6.3.9600.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2012 R2 (Server Core installation)","platforms":["x64-based Systems"],"versions":[{"version":"6.3.9600.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2016","platforms":["x64-based Systems"],"versions":[{"version":"10.0.14393.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2016 (Server Core installation)","platforms":["x64-based Systems"],"versions":[{"version":"10.0.14393.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2019","platforms":["x64-based Systems"],"versions":[{"version":"10.0.17763.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server 2019 (Server Core installation)","platforms":["x64-based Systems"],"versions":[{"version":"10.0.17763.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server, version 1803  (Server Core Installation)","platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server, version 1903 (Server Core installation)","platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Windows Server, version 1909 (Server Core installation)","platforms":["x64-based Systems"],"versions":[{"version":"10.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]}]