CVE-2018-8406
Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability
What is affected
| Vendor | Microsoft |
|---|---|
| Product | DirectX Graphics Kernel (DXGKRNL) |
| Weakness | CWE-404 |
The vulnerability
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.
US federal civilian agencies were required to act by 18 April 2022 under BOD 22-01. The deadline is a compliance date, not a measure of severity — it says nothing about how dangerous the flaw is to anyone else.
Ransomware
CISA records this vulnerability as having been used in ransomware campaigns. That is a confirmed observation, not an assessment of likelihood.
Where this comes from
Every field on this page is taken from the CISA Known Exploited Vulnerabilities catalog, last synced 13 Nov 2026, 00:30. Nothing here is our own assessment. For the technical scoring, see the NVD record below.
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