Get the Whitepaper called Windows Win32k Elevation of Privilege Vulnerability. It details exploitation and an overview of CVE-2021-1732.
You can download it from the following link: https://packetstormsecurity.com/files/download/162982/CVE-2021-1732_Windows_Win32k_Elevation_of_Privilege_Vulnerability.pdf
Source: https://packetstormsecurity.com/files/162982/Windows-Win32k-Elevation-Of-Privilege-Vulnerability.html