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CVE-2018-8406

HIGH

7.8

CVSS Score

Published: August 15, 2018 at 05:00 PM UTC

Updated: June 17, 2026 at 02:04 AM UTC

9 products affected across 1 vendorWindows Server 2016Windows 10 1607Windows 10 1507

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Severity

HIGH7.8

Exploitation

CISA KEV

Exploit prediction

EPSS 3%

SSVC

Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score3.4%

EPSS (Exploit Prediction Scoring System) estimates a 3.4% chance this CVE is exploited in the wild within the next 30 days — higher than 89% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

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.

Ransomware Use

Known

Added to KEV

Mar 28, 2022

Remediation Due

Apr 18, 2022

1652 days overdue

Notes

https://nvd.nist.gov/vuln/detail/CVE-2018-8406

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 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Windows 10 1507 · Microsoft

95%

All versions

Windows 10 1607 · Microsoft

95%

All versions

Windows 10 1703 · Microsoft

95%

All versions

Windows 10 1709 · Microsoft

95%

All versions

Windows 10 1803 · Microsoft

95%

All versions

Windows Server 1709 · Microsoft

95%

All versions

Windows Server 1803 · Microsoft

95%

All versions

Windows Server 2016 · Microsoft

95%

(Server Core installation)

Windows 10 · Microsoft

60%

32-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 version 1709 (Server Core Installation)version 1803 (Server Core Installation)x64-based Systems

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8406

References (4)

VDB Entryx_refsource_BIDBroken LinkThird Party Advisory

Source: [email protected]

http://www.securityfocus.com/bid/105012

VDB Entryx_refsource_SECTRACKBroken LinkThird Party Advisory

Source: [email protected]

http://www.securitytracker.com/id/1041461

x_refsource_CONFIRMPatchVendor Advisory

Source: [email protected]

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8406

US Government Resource

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8406

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHCISA-ADP

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-404

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