CVE-2018-8406: Microsoft DirectX Graphics Kernel Privilege Escalation Vulnerability

CVE-2018-8406 · 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.

Vendors: Microsoft.

Quick answers

Is CVE-2018-8406 exploited in the wild?
Yes. CVE-2018-8406 is known to be exploited in the wild, first recorded on 28 March 2022. Treat it as urgent.
How severe is CVE-2018-8406?
Critical severity, with a CVSS score of 7.8, published 28 March 2022.
Which products and versions are affected?
Microsoft Windows 10 1507, 1607, 1703, 1709, 1803; Microsoft Windows Server 2016 1709, 1803.
Is there a fix for CVE-2018-8406?
A patch was published on 2018-09-11: Microsoft released security updates to address this vulnerability. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2018-8406 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2018-8406?
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 10 1507, 1607, 1703, 1709, 1803
  • Microsoft Windows Server 2016 1709, 1803

Timeline

  • 2018-09-11: disclosed: Initial Microsoft advisory publication date (implied by CVE year and patch cycle)
  • 2018-09-11: patched: Microsoft released security updates to address this vulnerability.
  • 2022-03-28: kev added: Added to CISA's Known Exploited Vulnerabilities Catalog.

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