CVE-2018-8436

Severity: medium (CVSS 6.2 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-09-13 · 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. This CVE ID is unique from CVE-2018-8437, CVE-2018-8438.

Affected products

Microsoft Windows 10 Version 1607: 1803
Microsoft Windows Server 2016: 1803
Microsoft Windows 10 Version 1607: Version 1803 for x64-based Systems
Microsoft Windows 10 Servers: version 1803 (Server Core Installation)

References

http://www.securityfocus.com/bid/105236
http://www.securitytracker.com/id/1041624
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8436
http://www.securityfocus.com/bid/105236
http://www.securitytracker.com/id/1041624
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8436

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