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01 Record

CVE-2018-8406

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

HighKEVPUBLISHEDCNA: microsoft
CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

02 Description

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

03 Exploitation and scoring

Exploitation
Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-03-28. Federal remediation due 2022-04-18. Known ransomware campaign use: reported by CISA.
SSVC decision
  • ExploitationactiveCISA reports credible evidence of active exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
3.44% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 88.9% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Analyzed. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2018-08-15 17:00Z8 YR AGO
Last updated
2025-10-21 23:45Z1 YR AGO
Reserved
2018-03-14
Assigning CNA
microsoft
Record state
PUBLISHED
Severity
High (CVSS 7.8)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-404Improper Resource Shutdown or ReleaseClass
Data version
5.1
Document digest
b575e4e094621f7eb79a0c98d157f183e0d802d55234b84c935ac651ecc630a2

05 Affected products

VendorProductVersionsPlatforms
MicrosoftWindows Server 2016(Server Core installation)—
MicrosoftWindows 1032-bit Systems, Version 1607 for 32-bit Systems, Version 1607 for x64-based Systems, Version 1703 for 32-bit Systems, Version 1703 for x64-based Systems, Version 1709 for 32-bit Systems, Version 1709 for x64-based Systems, Version 1803 for 32-bit Systems, Version 1803 for x64-based Systems, x64-based Systems—
MicrosoftWindows 10 Serversversion 1709 (Server Core Installation), version 1803 (Server Core Installation)—

06 References