Exploitation evidence
Known exploited · CISA KEV listed
Added 2022-03-28. Ransomware campaign use: Known.
CISA required action: Apply updates per vendor instructions.
CISA due date: 2022-04-18. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
Microsoft / Windows Server 2016
Default status: Not specified
- affected: (Server Core installation)
Microsoft / Windows 10
Default status: Not specified
- affected: 32-bit Systems
- affected: Version 1607 for 32-bit Systems
- affected: Version 1607 for x64-based Systems
- affected: Version 1703 for 32-bit Systems
- affected: Version 1703 for x64-based Systems
- affected: Version 1709 for 32-bit Systems
- affected: Version 1709 for x64-based Systems
- affected: Version 1803 for 32-bit Systems
- affected: Version 1803 for x64-based Systems
- affected: x64-based Systems
Microsoft / Windows 10 Servers
Default status: Not specified
- affected: version 1709 (Server Core Installation)
- affected: version 1803 (Server Core Installation)
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.03444,
"percentile": 0.89166
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.03444,
"percentile": 0.89099
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.03444,
"percentile": 0.89085
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.03444,
"percentile": 0.89079
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.03444,
"percentile": 0.89071
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.03444,
"percentile": 0.89052
}06 Nov 2026, 12:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
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}05 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.03444,
"percentile": 0.89042
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.03444,
"percentile": 0.89032
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.03444,
"percentile": 0.89011
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.03444,
"percentile": 0.88997
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2018-8406",
"cwes": [
"CWE-404"
],
"dateAdded": "2022-03-28",
"dueDate": "2022-04-18",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Known",
"notes": "https://nvd.nist.gov/vuln/detail/CVE-2018-8406",
"product": "DirectX Graphics Kernel (DXGKRNL)",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory.",
"vendorProject": "Microsoft",
"vulnerabilityName": "Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability"
}