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Critical severity9.1NVD Advisory· Published Nov 12, 2019· Updated Jun 17, 2026

CVE-2019-0721

CVE-2019-0721

Description

A remote code execution vulnerability exists when Windows Hyper-V Network Switch on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-0719.

Affected products

12
  • Microsoft/Windowsv5
    Range: 10 Version 1709 for x64-based Systems
  • Microsoft/Windows 10 Version 1903 for x64-based Systemsv5
    Range: unspecified
  • Microsoft/Windows Server, version 1903 (Server Core installation)v5
    Range: unspecified
  • Microsoft/Windows Hyper-V Network Switchllm-fuzzy
  • Microsoft/Windows Server 2003cpe-rescue
    Range: version 1803 (Core Installation)
  • Microsoft/Windows 10 19094 versions
    cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:x64:*+ 3 more
    • cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:x64:*
  • Microsoft/Windows Server 20162 versions
    cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
  • Microsoft/Windows Server 2019
    cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

1

News mentions

0

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