# CVE-2020-1040: A Microsoft Hyper-V RemoteFX bug is being used in attacks

Status: Being used now (CISA KEV, added 2021-11-03)
Who: 
Do this: 

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is Microsoft Hyper-V RemoteFX (CVE-2020-1040) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2020-1040. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

## Official description
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.

## Sources
- https://nvd.nist.gov/vuln/detail/CVE-2020-1040
- https://nvd.nist.gov/vuln/detail/CVE-2020-1040

Generated by isitexploited.org from public sources. Verify version numbers against the vendor before acting.
