Technical Severity
HIGHCVSS v3.1 Metrics
7.8
/ 10
Minimal Risk
Critical
Vector Specification
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation Likelihood
EPSS Prediction
10.32
%
Predictive Probability
Percentile Rank
93.1
th
Documented as more likely to be exploited than 93.1% of known CVEs.
Detection Date
Nov 03, 2021
Remediation Due
May 03, 2022
CISA Catalog Active
Threat Analysis
Microsoft Win32k fails to properly handle objects in memory causing privilege escalation. Successful exploitation allows an attacker to run code in kernel mode.
Remediation Directive
Apply updates per vendor instructions.