High severity7.5NVD Advisory· Published Jun 14, 2018· Updated Jun 17, 2026

CVE-2018-8226

Description

A denial of service vulnerability exists in the HTTP 2.0 protocol stack (HTTP.sys) when HTTP.sys improperly parses specially crafted HTTP 2.0 requests, aka "HTTP.sys Denial of Service Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.

Affected products

Microsoft/HTTP.sysllm-fuzzy
Microsoft/Windows 10 1909cpe-rescue
Range: 32-bit Systems
Microsoft/Windows Server 2003cpe-rescue
Range: version 1709 (Server Core Installation)
Microsoft/Windows Server 2016cpe-rescue
Range: (Server Core installation)

Patches

Vulnerability mechanics

References

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8226nvdPatchVendor Advisory
www.securityfocus.com/bid/104361nvdThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1041094nvdThird Party AdvisoryVDB Entry

News mentions

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