CVE-2020-1040

Microsoft Windows Server

Published 14 Jul 2020 · updated 17 Jun 2026 · Analyzed

9.0 Critical · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, with a remediation deadline of 3 May 2022 for US federal agencies.

Required action: Apply updates per vendor instructions.

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.

References

nvidia.custhelp.com/app/answers/detail/a_id/5044 · Third Party Advisory
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1040 · Patch, Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1040 · US Government Resource