Vulnerability record

CVE-2018-8405

Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability

Severity: HighExploitation: Exploitation confirmedCISA KEV Used by ransomware
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run DirectX Graphics Kernel (DXGKRNL), fix it now.

CISA required action: Apply updates per vendor instructions.

US federal civilian agencies must remediate by Apr 18, 2022.

Patch status

Official fix available since

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

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 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8400, CVE-2018-8401, CVE-2018-8406.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
ProductVendorSource
DirectX Graphics Kernel (DXGKRNL)MicrosoftKEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog. Version details have not been published yet.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2018-8405 scored CVSS 7.8: Microsoft DirectX Graphics Kernel (DXGKRNL), Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability

    CISA lists this as exploited in the wild and known to be used in ransomware campaigns. Unpatched DirectX Graphics Kernel (DXGKRNL) systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

  2. Patch releasedUpdateKEV

    Patch released for CVE-2018-8405: Microsoft DirectX Graphics Kernel (DXGKRNL), Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability

    An official fix is now available for Microsoft DirectX Graphics Kernel (DXGKRNL). This vulnerability is being exploited, so apply it promptly.

    Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References