CVE:CVE-2021-27072
CNNVD:CNNVD-202104-893
Microsoft Win32k是美国微软（Microsoft）公司的一个用于Windows多用户管理的系统文件。
Win32k权限许可和访问控制问题漏洞。该漏洞源于网络系统或产品缺乏有效的权限许可和访问控制措施。
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_8.1 to a higher version than -; Upgrade microsoft windows_rt_8.1 to a higher version than -; Upgrade microsoft windows_server_2012 to a higher version than -,r2,and avoid the version r2; 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 -