CVE-2018-8406 (GCVE-0-2018-8406)

Vulnerability from cvelistv5 – Published: 2018-08-15 17:00 – Updated: 2025-10-21 23:45
VLAI? CISA KEV
Summary
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 Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8400, CVE-2018-8401, CVE-2018-8405.
Severity ?
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • Elevation of Privilege
Assigner
References
Impacted products
Vendor Product Version
Microsoft Windows Server 2016 Affected: (Server Core installation)
Create a notification for this product.
    Microsoft Windows 10 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
Create a notification for this product.
    Microsoft Windows 10 Servers Affected: version 1709 (Server Core Installation)
Affected: version 1803 (Server Core Installation)
Create a notification for this product.
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 3327a3b9-28af-4d73-8112-f1866a1ca7e1

Vulnerability ID: CVE-2018-8406

Status: Confirmed

Status Updated: 2022-03-28 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2022-03-28
Asserted: 2022-03-28
Scope
Notes: KEV entry: Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability | Affected: Microsoft / DirectX Graphics Kernel (DXGKRNL) | 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. | Due date: 2022-04-18 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2018-8406
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-404
Feed CISA Known Exploited Vulnerabilities Catalog
Product DirectX Graphics Kernel (DXGKRNL)
Due Date 2022-04-18
Date Added 2022-03-28
Vendorproject Microsoft
Vulnerabilityname Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability
Knownransomwarecampaignuse Known
References
Created: 2026-02-02 12:27 UTC | Updated: 2026-02-06 07:17 UTC
Show details on NVD website
To clipboard 

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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.