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
17.40
%
Predictive Probability
Percentile Rank
94.9
th
Documented as more likely to be exploited than 94.9% of known CVEs.
Detection Date
Nov 03, 2021
Remediation Due
Nov 17, 2021
CISA Catalog Active
Threat Analysis
Apple iOS, iPadOS, macOS, and watchOS IOMobileFrameBuffer contain a memory corruption vulnerability which may allow an application to execute code with kernel privileges.
Remediation Directive
Apply updates per vendor instructions.