# CVE-2018-8406: Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability

> CVE-2018-8406: Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability. CVSS 7.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2018-8406
Last updated: 2025-10-21T23:45:48Z

- Published: 2018-08-15 17:00 UTC · Updated: 2025-10-21 23:45 UTC · Assigner: microsoft
- CVSS: 7.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS: 3.4%, 89th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-03-28, federal due date 2022-04-18, ransomware use: Known

## 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.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Microsoft: Windows 10
- Microsoft: Windows 10 Servers
- Microsoft: Windows Server 2016

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2018-8406)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2018-8406)
- [https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8406](https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8406)
- [http://www.securityfocus.com/bid/105012](http://www.securityfocus.com/bid/105012)
- [http://www.securitytracker.com/id/1041461](http://www.securitytracker.com/id/1041461)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2018-8406 · Markdown: https://rewindex.com/cve/CVE-2018-8406.md · JSON: https://rewindex.com/api/v1/cves/CVE-2018-8406 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T01:58:44.195Z