Medium severity6.2NVD Advisory· Published Sep 13, 2018· Updated Jun 17, 2026

CVE-2018-8437

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-2018-8436, CVE-2018-8438.

Affected products

Microsoft/Hyper-V Network Switchllm-fuzzy
Microsoft/Windows 10 1909cpe-rescue
Range: Version 1803 for x64-based Systems
Microsoft/Windows Server 2003cpe-rescue
Range: version 1803 (Server Core Installation)

Patches

Vulnerability mechanics

References

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8437nvdPatchVendor Advisory
www.securityfocus.com/bid/105237nvdThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1041624nvdThird Party AdvisoryVDB Entry

News mentions

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