March 28, 2022 · Applied Cybernetics Group
CVE-2018-8406 — Microsoft DirectX Graphics Kernel (DXGKRNL)
known ransomware use
Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability
- Added to KEV
2022-03-28- Federal due date
2022-04-18- Vendor
- Microsoft
- Product
- DirectX Graphics Kernel (DXGKRNL)
- EPSS
- 97.9th percentile (score 0.500, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2018-8406
CISA short description
An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory.
Required action
Apply updates per vendor instructions.