A remote code execution vulnerability exists when Windows Hyper-V Network Switch on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-0719.
Published 2019-11-12 19:15:11
Updated 2019-11-14 17:00:35
View at NVD,   CVE.org
Vulnerability category: Input validationExecute code

Exploit prediction scoring system (EPSS) score for CVE-2019-0721

Probability of exploitation activity in the next 30 days: 0.97%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 82 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2019-0721

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
9.0
HIGH AV:N/AC:L/Au:S/C:C/I:C/A:C
8.0
10.0
NIST
9.1
CRITICAL CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
2.3
6.0
NIST

CWE ids for CVE-2019-0721

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-0721

Products affected by CVE-2019-0721

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