CVE-2018-8405: Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory.
CSIRTS triage
- What
- An elevation of privilege vulnerability exists when the DirectX Graphics Kernel driver improperly handles objects in memory.
- Who is affected
- Users of Microsoft DirectX.
- Urgency
- Remediation is urgent due to active exploitation and critical severity.
- Action
- Apply the latest security patch from Microsoft.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch DirectX
Get an email when a new DirectX advisory drops — max one per day, one-click unsubscribe.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2018-8405
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Exploitation confirmedCVE-2018-8405Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 88% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2018-8405 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Microsoft DirectX Graphics
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- criticalexploitedCVE-2018-8406: Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerabilitycisa-kev · 2022-03-28
More from CISA Known Exploited Vulnerabilities
- criticalCVE-2026-48939: iCagenda Unrestricted Upload of File with Dangerous Type Vulnerability2026-07-10
- criticalCVE-2026-56291: Balbooa Forms Unrestricted Upload of File with Dangerous Type Vulnerability2026-07-10
- criticalCVE-2026-48908: JoomShaper SP Page Builder Unrestricted Upload of File with Dangerous Type Vulnerability2026-07-07
- criticalCVE-2026-55255: Langflow Authorization Bypass Through User-Controlled Key Vulnerability2026-07-07
- criticalCVE-2026-48282: Adobe ColdFusion Path Traversal Vulnerability2026-07-07