High 7.8Known exploited (CISA KEV)Published Aug 15, 2018

CVE-2018-8406An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory, aka "DirectX Graphics Kernel Elevation of Privilege Vulnerabilit…

Updated under an hour ago (2026-10-19 08:40 UTC)

Does this affect you?

It affects Microsoft Windows Server 2016 and 9 other products. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Mar 28, 2022; federal agencies had to remediate by Apr 18, 2022, and it is known to be used in ransomware. Treat that date as your deadline.

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Every CVE for Microsoft Windows Server 2016

Exploited in the last 30 days

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.

CVSS: 7.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-404
Known exploited: Added to CISA KEV Mar 28, 2022; federal remediation due Apr 18, 2022; known ransomware useApply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 3.44% (percentile 89)
Assigned by: microsoft
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Microsoft Windows Server 2016 microsoft:windows_server_2016 (from the name)	(Server Core installation)	CNA record
Microsoft Windows 10 microsoft:windows_10 (from the name)	32-bit Systems; Version 1607 for 32-bit Systems; Version 1607 for x64-based Systems; Version 1703 for 32-bit Systems; Version 1703 for x64-based Systems; Version 1709 for 32-bit Systems; Version 1709 for x64-based Systems; Version 1803 for 32-bit Systems; and 2 more ranges	CNA record
Microsoft Windows 10 Servers microsoft:windows_10_servers (from the name)	version 1709 (Server Core Installation); version 1803 (Server Core Installation)	CNA record
microsoft windows_10_1507 microsoft:windows_10_1507	all versions; all versions	NVD
microsoft windows_10_1607 microsoft:windows_10_1607	all versions; all versions	NVD
microsoft windows_10_1703 microsoft:windows_10_1703	all versions; all versions	NVD
microsoft windows_10_1709 microsoft:windows_10_1709	all versions; all versions	NVD
microsoft windows_10_1803 microsoft:windows_10_1803	all versions; all versions	NVD
microsoft windows_server_1709 microsoft:windows_server_1709	all versions	NVD
microsoft windows_server_1803 microsoft:windows_server_1803	all versions	NVD
microsoft windows_server_2016 microsoft:windows_server_2016	all versions	NVD

References

http://www.securityfocus.com/bid/105012vdb-entry, x-refsource-bid, broken-link, third-party-advisory
http://www.securitytracker.com/id/1041461vdb-entry, x-refsource-sectrack, broken-link, third-party-advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8406x-refsource-confirm, patch, vendor-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8406us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.