|CVSS SCORE||7.8, (AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H)|
This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the win32kfull.sys driver. The issue results from dereferencing a NULL pointer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.
This vulnerability is being disclosed publicly without a patch in accordance with the ZDI 120 day deadline.
12/23/20 – ZDI reported the vulnerability to the vendor