Technical Severity
HIGH
CVSS 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:H/E:P/RL:O/RC:C
Exploitation Likelihood
EPSS Prediction
11.41
%
Predictive Probability
Percentile Rank
93.4
th
Documented as more likely to be exploited than 93.4% of known CVEs.
Detection Date
Nov 03, 2021
Remediation Due
May 03, 2022
CISA Catalog Active
Threat Analysis
Microsoft Windows contains a spoofing vulnerability when Windows incorrectly validates file signatures, allowing an attacker to bypass security features and load improperly signed files.
Remediation Directive
Apply updates per vendor instructions.