Product : VirtualBox Build 6.1.16, 6.1.26
Host OS : Windows 10 x64 (19041.1288)
Guest OS : Ubuntu 20.04 (Focal Fossa)
CVE-2021-2086 : Oracle VirtualBox I/O Request 0x177 Denial-of-Service
CVE-2021-35540 : Oracle VirtualBox I/O Request 0x20, 0xa0 Denial-of-Service
CVE-2020-8871: PRIVILEGE ESCALATION IN PARALLELS DESKTOP VIA VGA DEVICE (Trend Micro's Zero Day Initiative)
Discovered by: DoHyun Lee(@l33d0hyun) of VirtualBoBs