CVE-2018-8405highunder attackransomwareCWE-404

CVE-2018-8405: high-severity vulnerability in Microsoft Windows Server 2012 R2

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51Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA.

ssvc Actcvss 7.8epss 3.4%
from disclosure to weapon
Published on NVDAug 15
CISA KEV+1321d
Action required by CISAfederal deadline: 2022-04-18

Apply updates per vendor instructions.

In short

A flaw in Windows' graphics driver allows an attacker with local access to run code with higher privileges than intended. This means someone on your computer could gain admin-level control without proper authorization.

Technical detail

An improper object handling vulnerability in the DirectX Graphics Kernel (DXGKRNL) driver permits local privilege escalation. The attack requires prior local access to the system; successful exploitation grants arbitrary code execution with elevated privileges.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Microsoft · Windows 10Microsoft · Windows 10 ServersMicrosoft · Windows 8.1Microsoft · Windows RT 8.1Microsoft · Windows Server 2012 R2Microsoft · Windows Server 2016
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