CVE:CVE-2021-31191
CNNVD:CNNVD-202105-572
Microsoft Projected File System是美国微软（Microsoft）公司的一个应用系统。将层次结构数据投影到文件系统中，使其在文件系统中显示为文件和目录。
Windows Projected File System FS Filter存在信息泄露漏洞。以下产品和版本受到影响：Windows 10 Version 1803 for x64-based Systems,Windows 10 Version 1803 for ARM64-based Systems,Windows 10 Version 1809 for 32-bit Systems,Windows 10 Version 1809 for x64-based Systems,Windows 10 Version 1809 for ARM64-based Systems,Windows Server 2019,Windows Server 2019  (Server Core installation),Windows 10 Version 1909 for 32-bit Systems,Windows 10 Version 1909 for x64-based Systems,Windows 10 Version 1909 for ARM64-based Systems,Windows Server, version 1909 (Server Core installation),Windows 10 Version 2004 for 32-bit Systems,Windows 10 Version 2004 for ARM64-based Systems,Windows 10 Version 2004 for x64-based Systems,Windows Server, version 2004 (Server Core installation),Windows 10 Version 20H2 for x64-based Systems,Windows 10 Version 20H2 for 32-bit Systems,Windows 10 Version 1803 for 32-bit Systems,Windows 10 Version 20H2 for ARM64-based Systems,Windows Server, version 20H2 (Server Core Installation),
solution:Upgrade microsoft windows_10 to a higher version than 20h2,1803,1809,1903,1909,2004,and avoid the version 20h2,1803,1809,1903,1909,2004; 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 -