CVE-2018-8218

Name: CVE-2018-8218
Creator: NVD / NIST
Published: 2018-06-14T12:29:01.537+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 7.17%

Last modified Jun 17, 2026

CVE-2018-8218 is a vulnerability of currently unknown severity. A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-V Denial of Service Vulnerability." This affects Windows 10, Windows 10 Servers.. EPSS estimates a 7.17% chance of exploitation in the next 30 days.

Description

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-V Denial of Service Vulnerability." This affects Windows 10, Windows 10 Servers.

Metrics

EPSS Probability

7.17%

93.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Microsoft	Windows 10	1709
Microsoft	Windows Server 2016	1709

References

http://www.securityfocus.com/bid/104402Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041110Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8218Patch, Vendor Advisory
http://www.securityfocus.com/bid/104402Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041110Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8218Patch, Vendor Advisory

Timeline

Published: Jun 14, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-8218?

How severe is CVE-2018-8218?

Severity scoring for CVE-2018-8218 is pending analysis. The EPSS model estimates a 7.17% probability of exploitation in the next 30 days.

How do I fix CVE-2018-8218?

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-2018-8218?

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

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Source: NVD / NIST