CVEs / CVE-2018-8406
CVE-2018-8406: Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability
- Known exploited in the CISA KEV catalog since 28 Mar 2022
- high 7.8 CVSS 3.1 (NVD)
- EPSS 3.44% chance of exploitation in the next 30 days, higher than 88% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Windows Server 2016 | (Server Core installation) | — |
| Microsoft Windows 10 | 32-bit Systems | — |
| Microsoft Windows 10 | Version 1607 for 32-bit Systems | — |
| Microsoft Windows 10 | Version 1607 for x64-based Systems | — |
| Microsoft Windows 10 | Version 1703 for 32-bit Systems | — |
| Microsoft Windows 10 | Version 1703 for x64-based Systems | — |
| Microsoft Windows 10 | Version 1709 for 32-bit Systems | — |
| Microsoft Windows 10 | Version 1709 for x64-based Systems | — |
| Microsoft Windows 10 | Version 1803 for 32-bit Systems | — |
| Microsoft Windows 10 | Version 1803 for x64-based Systems | — |
| Microsoft Windows 10 | x64-based Systems | — |
| Microsoft Windows 10 Servers | version 1709 (Server Core Installation) | — |
| Microsoft Windows 10 Servers | version 1803 (Server Core Installation) | — |
Exploitation
| In CISA KEV since | 28 Mar 2022 |
|---|---|
| Due date for US federal agencies | 18 Apr 2022 |
| Used in ransomware campaigns | Known |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-404 |
References
- CVE-2018-8406 on NVD
- CVE-2018-8406 in the CISA KEV catalog
- http://www.securityfocus.com/bid/105012 Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041461 Broken Link, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8406 Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8406 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.