Technical Severity
HIGH
CVSS v3.1 Metrics
7.8
/ 10
Minimal Risk
Critical
Vector Specification
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitation Likelihood
EPSS Prediction
2.00
%
Predictive Probability
Percentile Rank
83.3
th
Documented as more likely to be exploited than 83.3% of known CVEs.
Detection Date
Nov 03, 2021
Remediation Due
Nov 17, 2021
CISA Catalog Active
Threat Analysis
Apple iOS, iPadOS, and macOS contain a type confusion vulnerability in the XNU which may allow a malicious application to execute code with kernel privileges.
Remediation Directive
Apply updates per vendor instructions.