CVE-2018-8406 kev+ ransomware in the critical feed json
An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory, aka…
published 8y ago modified 4mo ago also EUVD-2018-20044
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Exploited
- added 2022-03-28, used in ransomware
- epss
- 3.4%
- EPSS 3.4% chance of exploitation in 30 days, percentile 89%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
cisa required action Apply updates per vendor instructions.
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Check with FencerTimeline
- Published
- Added to CISA KEV
- CISA patch deadline
- CISA SSVC: exploitation active
Known exploited
- Added
- 4y ago
- Patch by
- 2022-04-18 (4y ago)
- Ransomware
- Known to be used in ransomware campaigns
- Required action
- Apply updates per vendor instructions.
- Vendor, product
- Microsoft, DirectX Graphics Kernel (DXGKRNL)
- CISA name
- Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- no
- Technical impact
- total
- Assessed
- last yr.
Exploit prediction
3.44% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- Microsoft Windows Server 2016
- Microsoft Windows 10
- Microsoft Windows 10 Servers
Classification
- Weakness
-
- CWE-404 Improper Resource Shutdown or Release
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8406
patch, vendor-advisory
-
securityfocus.com
/bid/105012
vdb-entry, broken-link, third-party-advisory
-
securitytracker.com
/id/1041461
vdb-entry, broken-link, third-party-advisory
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8406
government-resource, us-government-resource
Sources
- CVE List CVE-2018-8406
- NVD CVE-2018-8406
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