CVE:CVE-2021-1704
CNNVD:CNNVD-202101-815
Microsoft Windows Hyper-V是美国微软（Microsoft）公司的一款可提供硬件虚拟化的工具。该软件允许创建虚拟硬盘驱动器、虚拟交换机以及许多其他虚拟设备。
Windows Hyper-V 特权提升漏洞,目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。以下产品及版本受到影响:Windows Server 2012 R2 (Server Core installation),Windows Server 2012 R2 (Server Core installation),Windows Server 2012 R2,Windows Server 2012 R2,Windows Server 2012 (Server Core installation),Windows Server 2012 (Server Core installation),Windows Server 2012,Windows Server 2012,Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation),Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation),Windows Server 2008 R2 for x64-based Systems Service Pack 1,Windows Server 2008 R2 for x64-based Systems Service Pack 1,Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation),Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation),Windows Server 2008 for x64-based Systems Service Pack 2,Windows Server 2008 for x64-based Systems Service Pack 2,Windows 8.1 for x64-based systems,Windows 8.1 for x64-based systems,Windows 7 for x64-based Systems Service Pack 1,Windows 7 for x64-based Systems Service Pack 1,Windows Server 2016  (Server Core installation),Windows Server 2016,Windows 10 Version 1607 for x64-based Systems,Windows 10 for x64-based Systems,Windows Server, version 2004 (Server Core installation),Windows 10 Version 2004 for x64-based Systems,Windows Server, version 1909 (Server Core installation),Windows 10 Version 1909 for x64-based Systems,Windows Server 2019  (Server Core installation),Windows Server 2019,Windows 10 Version 1809 for x64-based Systems,Windows 10 Version 1803 for x64-based Systems,Windows Server, version 20H2 (Server Core Installation),Windows 10 Version 20H2 for x64-based Systems。
solution:Upgrade microsoft windows_10 to a higher version than -,20h2,1607,1803,1809,1909,2004,and avoid the version 20h2,1607,1803,1809,1909,2004; Upgrade microsoft windows_7 to a higher version than -:sp1,and avoid the version -:sp1; Upgrade microsoft windows_8.1 to a higher version than -; Upgrade microsoft windows_server_2008 to a higher version than -:sp2,r2:sp1,and avoid the version -:sp2,r2:sp1; Upgrade microsoft windows_server_2012 to a higher version than -,r2:sp1,and avoid the version r2:sp1; Upgrade microsoft windows_server_2016 to a higher version than -,20h2,1909,2004,and avoid the version 20h2,1909,2004; Upgrade microsoft windows_server_2019 to a higher version than -