CVE-2018-8405: Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability
CVE-2018-8405 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2022-03-28
An elevation of privilege vulnerability exists in the Microsoft DirectX Graphics Kernel (DXGKRNL) driver due to improper handling of objects in memory. A local attacker could exploit this to gain elevated system privileges.
Yes. CVE-2018-8405 is known to be exploited in the wild, first recorded on 28 March 2022. Treat it as urgent.
How severe is CVE-2018-8405?
Critical severity, with a CVSS score of 7.8, published 28 March 2022.
Which products and versions are affected?
Microsoft Windows Server 2012 R2; Microsoft Windows RT 8.1; Microsoft Windows Server 2016; Microsoft Windows 8.1; and 3 more.
Is there a fix for CVE-2018-8405?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2018-8405 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2018-8405?
Check whether you run Microsoft DirectX Graphics Kernel (DXGKRNL). Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
Microsoft Windows Server 2012 R2
Microsoft Windows RT 8.1
Microsoft Windows Server 2016
Microsoft Windows 8.1
Microsoft Windows 10
Microsoft Windows Server 1709
Microsoft Windows Server 1803
Timeline
2018-09-11: disclosed: Initial release of Microsoft security advisory.
2022-03-28: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.
2022-03-28: exploited: Confirmed as exploited in the wild per CISA KEV entry.