CVE-2019-0550

Name: CVE-2019-0550
Creator: NVD / NIST
Published: 2019-01-08T21:29:00.783+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.46%

Last modified Jun 17, 2026

CVE-2019-0550 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 4.46% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

4.46%

90.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Microsoft	Windows 10	1803
Microsoft	Windows 10	1809
Microsoft	Windows Server 2016	1803
Microsoft	Windows Server 2019	All versions

References

http://www.securityfocus.com/bid/106385Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0550Patch, Vendor Advisory
http://www.securityfocus.com/bid/106385Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0550Patch, Vendor Advisory

Timeline

Published: Jan 8, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-0550?

How severe is CVE-2019-0550?

Severity scoring for CVE-2019-0550 is pending analysis. The EPSS model estimates a 4.46% probability of exploitation in the next 30 days.

How do I fix CVE-2019-0550?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-0550?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST