Vulnerability Intelligence Report
Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability
CVE-2018-8406
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 2016, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8400, CVE-2018-8401, CVE-2018-8405.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
7.8
HIGH
Exploitability:1.9
Impact Score:5.9
EPSS Probability:3.44%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-404 ↗CWE-404 Improper Resource Shutdown or Release
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Windows Server 2016 | (Server Core installation) (affected) |
| Microsoft | Windows 10 | 32-bit Systems (affected), Version 1607 for 32-bit Systems (affected), Version 1607 for x64-based Systems (affected), Version 1703 for 32-bit Systems (affected), Version 1703 for x64-based Systems (affected), Version 1709 for 32-bit Systems (affected), Version 1709 for x64-based Systems (affected), Version 1803 for 32-bit Systems (affected), Version 1803 for x64-based Systems (affected), x64-based Systems (affected) |
| Microsoft | Windows 10 Servers | version 1709 (Server Core Installation) (affected), version 1803 (Server Core Installation) (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2018-03-14T00:00:00 |
| Published | 2018-08-15T17:00:00 |
| Patch Date | 2018-08-14 |
| Last Updated | 2025-10-21T23:45:48 |
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