A remote code execution vulnerability exists when Hyper-V RemoteFX vGPU on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1032, CVE-2020-1036, CVE-2020-1041, CVE-2020-1042, CVE-2020-1043.
Published 2020-07-14 23:15:12
Updated 2020-07-21 16:18:10
View at NVD,   CVE.org
Vulnerability category: Input validationExecute code

CVE-2020-1040 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Microsoft Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
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.
Added on 2021-11-03 Action due date 2022-05-03

Exploit prediction scoring system (EPSS) score for CVE-2020-1040

Probability of exploitation activity in the next 30 days EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-1040

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen

CWE ids for CVE-2020-1040

  • 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-2020-1040

Products affected by CVE-2020-1040

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