# 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.

- Page: https://www.vulneraibility.com/cve/CVE-2018-8406
- CVSS: 7.8
- Known exploited: yes, in CISA KEV since 2022-03-28; CISA due date 2022-04-18; known ransomware use
- EPSS: 3.44% (percentile 89.2)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-02-07)
- Weakness: CWE-404
- Published: 2018-08-15

## Affected versions

- Microsoft Windows 10: affected 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; Version 1803 for x64-based Systems; x64-based Systems
- Microsoft Windows 10 Servers: affected version 1709  (Server Core Installation); version 1803  (Server Core Installation)
- Microsoft Windows Server 2016: affected (Server Core installation)

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] http://www.securityfocus.com/bid/105012
- [other] http://www.securitytracker.com/id/1041461
- [other] https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8406
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8406

---
Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.