Provide references for CVE-2021-31946.
Where can I find more information about CVE-2021-31946?
References are available at: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31946, https://www.zerodayinitiative.com/advisories/ZDI-21-671/, https://www.zerodayinitiative.com/advisories/ZDI-21-684/.