Technical Severity
HIGH
CVSS v3.1 Metrics
8.8
/ 10
Minimal Risk
Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitation Likelihood
EPSS Prediction
74.80
%
Predictive Probability
Percentile Rank
98.8
th
Documented as more likely to be exploited than 98.8% of known CVEs.
Detection Date
Nov 03, 2021
Remediation Due
Nov 17, 2021
CISA Catalog Active
Threat Analysis
Google Chromium V8 Engine has a bug in JSON.stringify, where the internal TheHole value can leak to script code, causing memory corruption. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Remediation Directive
Apply updates per vendor instructions.