CVE-2018-8405

State: Published
Severity: 7.8 High
Published: Aug 15, 2018
Updated: Oct 21, 2025
Reserved: Mar 14, 2018

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.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-404 Improper Resource Shutdown or Release

Affected Products

Product	Versions
Windows Server 2012 R2Microsoft	(Server Core installation)Affected
Windows RT 8.1Microsoft	Windows RT 8.1Affected
Windows Server 2016Microsoft	(Server Core installation)Affected
Windows 8.1Microsoft	32-bit systemsAffected x64-based systemsAffected
Windows 10Microsoft	32-bit SystemsAffected Version 1607 for 32-bit SystemsAffected Version 1607 for x64-based SystemsAffected Version 1703 for 32-bit SystemsAffected Version 1703 for x64-based SystemsAffected Version 1709 for 32-bit SystemsAffected Version 1709 for x64-based SystemsAffected Version 1803 for 32-bit SystemsAffected Version 1803 for x64-based SystemsAffected x64-based SystemsAffected
Windows 10 ServersMicrosoft	version 1709 (Server Core Installation)Affected version 1803 (Server Core Installation)Affected

References

105011vdb-entry
1041461vdb-entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8405
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8405government-resource

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