CVE-2018-8218

Severity: high (CVSS 7.7 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-06-14 · updated 2026-06-17
Weakness: CWE-20

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.

Affected products

Microsoft Windows 10 Version 1607: 1709
Microsoft Windows Server 2016: 1709
Microsoft Windows 10 Version 1607: Version 1709 for x64-based Systems
Microsoft Windows 10 Servers: version 1709 (Server Core Installation)

References

http://www.securityfocus.com/bid/104402
http://www.securitytracker.com/id/1041110
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8218
http://www.securityfocus.com/bid/104402
http://www.securitytracker.com/id/1041110
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8218

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