Technical Severity
HIGH
CVSS v3.1 Metrics
7.5
/ 10
Minimal Risk
Critical
Vector Specification
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitation Likelihood
EPSS Prediction
22.98
%
Predictive Probability
Percentile Rank
95.8
th
Documented as more likely to be exploited than 95.8% of known CVEs.
Detection Date
Nov 03, 2021
Remediation Due
May 03, 2022
CISA Catalog Active
Threat Analysis
Microsoft Internet Explorer contains a memory corruption vulnerability due to how the Scripting Engine handles objects in memory, leading to remote code execution.
Remediation Directive
Apply updates per vendor instructions.