All vulnerabilities
CVE-2020-1040

Microsoft Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability

Microsoft Hyper-V RemoteFX
Open in ThreatlineRecord JSON
CVSS
9.0Critical
ExploitationExploited in the wildAdded to KEV 3 Nov 2021CISA KEV
Exploit odds (EPSS)7.39%Chance of exploitation activity in the next 30 days, higher than 94% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline3 May 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 14 Jul 2020, 22:53 UTCPublishedCVE List
  2. 3 Nov 2021Added to CISA KEVCISA KEV

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.

Text from CVE List

Affected versions 8

  • Windows Serveraffected: 2016CVE List
  • Windows Serveraffected: 2016 (Core installation)CVE List
  • Windows Serveraffected: 2008 R2 for x64-based Systems Service Pack 1CVE List
  • Windows Serveraffected: 2008 R2 for x64-based Systems Service Pack 1 (Core installation)CVE List
  • Windows Serveraffected: 2012CVE List
  • Windows Serveraffected: 2012 (Core installation)CVE List
  • Windows Serveraffected: 2012 R2CVE List
  • Windows Serveraffected: 2012 R2 (Core installation)CVE List

References 4