VULNERABILITY INTELLIGENCE

CVE-2020-1040

CVSS score9 CRITICAL

EPSS probability7.39%

CISA KEVKnown exploited vulnerability

Published2020-07-14

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Known Exploited Vulnerability

Microsoft Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability

Vendor / product: Microsoft / Hyper-V RemoteFX

Description

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.

Weakness classification

nvd@nist.gov: CWE-20
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-20

Primary references

secure@microsoft.com — Third Party Advisory
secure@microsoft.com — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource