CVE-2018-8406
High 7.8 Exploited in the wild (KEV) Used in ransomware campaigns
Confirmed active exploitation — CISA KEV catalog
- Name
- Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
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 2016, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8400, CVE-2018-8401, CVE-2018-8405.
Metrics
- CVSS 3.1
-
7.8 (HIGH)
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 3% (percentile: 89) as of 1 November 2026
- CWE
- CWE-404
Affected products
microsoft: windows 10 1507; microsoft: windows 10 1607; microsoft: windows 10 1703; microsoft: windows 10 1709; microsoft: windows 10 1803; microsoft: windows server 1709; microsoft: windows server 1803; microsoft: windows server 2016
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8406 PatchVendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8406 PatchVendor Advisory
- http://www.securityfocus.com/bid/105012 Broken LinkThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041461 Broken LinkThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/105012 Broken LinkThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041461 Broken LinkThird Party AdvisoryVDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018… US Government Resource