Vulnerability identifier: #VU14387

Vulnerability risk: Low

CVSSv3.1: 7.5 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2018-8406

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description
The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to improper handling of objects in memory by the DirectX Graphics Kernel (DXGKRNL) driver. A local attacker can run a specially crafted application, trigger memory corruption and gain SYSTEM privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows: 10

Windows Server: 2016

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

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.