Microsoft Win32k Privilege Escalation Vulnerability
Microsoft · Win32k
Date added (CISA)
2021-11-03
Remediation due
2022-05-03
Known ransomware use
Yes
Remediation priority
P1 — known ransomware use · past CISA due date
Description
Microsoft Win32k kernel-mode driver fails to properly handle objects in memory which allows for privilege escalation. Successful exploitation allows an attacker to run code in kernel mode.