CVE-2020-1043

Name: CVE-2020-1043
Creator: NVD / NIST
Published: 2020-07-14T23:15:11.887+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9/10EPSS 5.47%

Last modified Jun 17, 2026

CVE-2020-1043 is a critical-severity vulnerability rated 9/10 on the CVSS scale. 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-2020-1040, CVE-2020-1041, CVE-2020-1042.. EPSS estimates a 5.47% chance of exploitation in the next 30 days.

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-2020-1040, CVE-2020-1041, CVE-2020-1042.

Metrics

CVSS 3.1

9/10

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

EPSS Probability

5.47%

91.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Microsoft	Windows Server 2008	r2
Microsoft	Windows Server 2012	All versions
Microsoft	Windows Server 2012	r2
Microsoft	Windows Server 2016	All versions

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5044Third Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1043Patch, Vendor Advisory
https://nvidia.custhelp.com/app/answers/detail/a_id/5044Third Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1043Patch, Vendor Advisory

Timeline

Published: Jul 14, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-1043?

How severe is CVE-2020-1043?

CVE-2020-1043 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 5.47% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1043?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-1043?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST