CVE-2018-8405

DirectX Graphics Kernel Elevation of Privilege Vulnerability

CVE-2018-8405 is fixed in 19 products on 1 platform, first by KB4343887, released August 14, 2018. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on March 28, 2022, with known ransomware use. Patch Radar priority: Patch now.

Patch nowCISA KEVKnown ransomware use
CVSS
7.0
Important
Exploitation
Exploited
Listed by CISA
CISA KEV
Mar 28, 2022
Federal due date Apr 18, 2022. Known ransomware use
EPSS
0.0344
89th percentile

<p>An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context.</p> <p>To exploit the vulnerability, an attacker would first have to log on to the system, and then run a specially crafted application to take control over the affected system.</p> <p>The security update addresses the vulnerability by correcting how DXGKRNL handles objects in memory.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1607 for 32-bit Systems 14393.2430 KB4343887 Aug 14, 2018
Windows 10 Version 1607 for x64-based Systems 14393.2430 KB4343887 Aug 14, 2018
Windows 10 Version 1703 for 32-bit Systems 15063.1266 KB4343885 Aug 14, 2018
Windows 10 Version 1703 for x64-based Systems 15063.1266 KB4343885 Aug 14, 2018
Windows 10 Version 1709 for 32-bit Systems 16299.611 KB4343897 Aug 14, 2018
Windows 10 Version 1709 for x64-based Systems 16299.611 KB4343897 Aug 14, 2018
Windows 10 Version 1803 for 32-bit Systems 17134.228 KB4343909 Aug 14, 2018
Windows 10 Version 1803 for x64-based Systems 17134.228 KB4343909 Aug 14, 2018
Windows 10 for 32-bit Systems 10240.17946 KB4343892 Aug 14, 2018
Windows 10 for x64-based Systems 10240.17946 KB4343892 Aug 14, 2018
Windows 8.1 for 32-bit systems KB4343888 Aug 14, 2018
Windows 8.1 for 32-bit systems KB4343898 Aug 14, 2018
Windows 8.1 for x64-based systems KB4343888 Aug 14, 2018
Windows 8.1 for x64-based systems KB4343898 Aug 14, 2018
Windows RT 8.1 KB4343898 Aug 14, 2018
Windows Server 2012 R2 KB4343888 Aug 14, 2018
Windows Server 2012 R2 KB4343898 Aug 14, 2018
Windows Server 2012 R2 (Server Core installation) KB4343888 Aug 14, 2018
Windows Server 2012 R2 (Server Core installation) KB4343898 Aug 14, 2018
Windows Server 2016 14393.2430 KB4343887 Aug 14, 2018
Windows Server 2016 (Server Core installation) 14393.2430 KB4343887 Aug 14, 2018
Windows Server, version 1709 (Server Core Installation) 16299.611 KB4343897 Aug 14, 2018
Windows Server, version 1803 (Server Core Installation) 17134.228 KB4343909 Aug 14, 2018