Aug 2018:
CVE-2018-8405 Published on August 15, 2018
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.
Known Exploited Vulnerability
This Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory.
The following remediation steps are recommended / required by April 18, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2018-8405 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
Improper Resource Shutdown or Release
The program does not release or incorrectly releases a resource before it is made available for re-use. When a resource is created or allocated, the developer is responsible for properly releasing the resource as well as accounting for all potential paths of expiration or invalidation, such as a set period of time or revocation.
Products Associated with CVE-2018-8405
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Affected Versions
Microsoft Windows Server 2012 R2:- Version (Server Core installation) is affected.
- Version Windows RT 8.1 is affected.
- Version (Server Core installation) is affected.
- Version 32-bit systems is affected.
- Version x64-based systems is affected.
- Version 32-bit Systems is affected.
- Version Version 1607 for 32-bit Systems is affected.
- Version Version 1607 for x64-based Systems is affected.
- Version Version 1703 for 32-bit Systems is affected.
- Version Version 1703 for x64-based Systems is affected.
- Version Version 1709 for 32-bit Systems is affected.
- Version Version 1709 for x64-based Systems is affected.
- Version Version 1803 for 32-bit Systems is affected.
- Version Version 1803 for x64-based Systems is affected.
- Version x64-based Systems is affected.
- Version version 1709 (Server Core Installation) is affected.
- Version version 1803 (Server Core Installation) is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.