Jul 2020:
CVE-2020-1040 Published on July 14, 2020
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.
Known Exploited Vulnerability
This Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. 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. This CVE ID is unique from CVE-2020-1032, CVE-2020-1036, CVE-2020-1041, CVE-2020-1042, CVE-2020-1043.
The following remediation steps are recommended / required by May 3, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
Weakness Type
Improper Input Validation
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.
Products Associated with CVE-2020-1040
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Affected Versions
Microsoft Windows Server:- Version 2016 is affected.
- Version 2016 (Core installation) is affected.
- Version 2008 R2 for x64-based Systems Service Pack 1 is affected.
- Version 2008 R2 for x64-based Systems Service Pack 1 (Core installation) is affected.
- Version 2012 is affected.
- Version 2012 (Core installation) is affected.
- Version 2012 R2 is affected.
- Version 2012 R2 (Core installation) is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.