High severity7.8CISA KEVNVD Advisory· Published Aug 15, 2018· Updated Jun 17, 2026

CVE-2018-8405

Description

An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory, aka "DirectX Graphics Kernel Elevation of Privilege Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8400, CVE-2018-8401, CVE-2018-8406.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Microsoft/Windowsllm-fuzzy
Microsoft/Windows 10 1909cpe-rescue
Range: 32-bit Systems
Microsoft/Windows Server 2003cpe-rescue
Range: version 1709 (Server Core Installation)
Microsoft/Windows 8.1cpe-rescue
Range: 32-bit systems
Microsoft/Windows Rt 8.1cpe-rescue
Range: Windows RT 8.1
Microsoft/Windows Server 2012cpe-rescue
Range: (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-2018-8405nvdPatchVendor Advisory
www.securityfocus.com/bid/105011nvdBroken LinkThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1041461nvdBroken LinkThird Party AdvisoryVDB Entry
www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource

News mentions

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kev	0.120
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ransomware	0.060