What’s Vulnerable › Vulnerabilities

CVE-2019-0550

• Severity: high (CVSS 8.4 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-01-08 · updated 2026-06-17
• Weakness: CWE-20

Description

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Remote Code Execution Vulnerability." This affects Windows 10 Servers, Windows 10, Windows Server 2019. This CVE ID is unique from CVE-2019-0551.

Affected products

• Microsoft Windows 10 Version 1607: 1803, 1809
• Microsoft Windows Server 2016: 1803
• Microsoft Windows Server 2019: all versions
• Microsoft Windows 10 Version 1607: Version 1803 for 32-bit Systems, Version 1803 for ARM64-based Systems, Version 1803 for x64-based Systems, Version 1809 for 32-bit Systems, Version 1809 for ARM64-based Systems, Version 1809 for x64-based Systems
• Microsoft Windows 10 Servers: version 1803 (Server Core Installation)
• Microsoft Windows Server 2019: (Server Core installation)

References

• http://www.securityfocus.com/bid/106385
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0550
• http://www.securityfocus.com/bid/106385
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0550

Get alerted when CVE-2019-0550 or the next vulnerability affects your stack