Technical Severity
CRITICAL
CVSS v3.1 Metrics
9
/ 10
Minimal Risk
Critical
Vector Specification
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Exploitation Likelihood
EPSS Prediction
0.18
%
Predictive Probability
Percentile Rank
39.4
th
Documented as more likely to be exploited than 39.4% of known CVEs.
Detection Date
Nov 03, 2021
Remediation Due
May 03, 2022
CISA Catalog Active
Threat Analysis
Microsoft Hyper-V RemoteFX vGPU contains an improper input validation vulnerability due to the host server failing to properly validate input from an authenticated user on a guest operating system. Successful exploitation allows for remote code execution on the host operating system.
Remediation Directive
Apply updates per vendor instructions.