Live › vulnerability › CVE-2020-1040
Go to dashboardMicrosoft Hyper-V RemoteFX vGPU mishandles input from an authenticated guest OS user, letting that guest run code on the Hyper-V host. Exploitation is listed by CISA as known to be used in the wild.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply updates per vendor instructions.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Microsoft Hyper-V RemoteFX | vendor | – | – |
Unknown from the sources. In the analyst’s queue.
Apply the Microsoft update for CVE-2020-1040 per vendor instructions (CISA KEV required action); the specific KB or patched build is not given in the sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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.
CISA required action: Apply updates per vendor instructions.
This page as .md · .json · in your agent: get_signal("CVE-2020-1040")
CISA KEV catalog, Creative Commons 0 · EPSS scores by FIRST, used with attribution · NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.