Think you have a false positive on this rule?

Sid 1-47512

Message

OS-WINDOWS Microsoft Windows D3D memory corruption attempt

Summary

This event is generated when an attacker attempts to exploit CVE-2018-8406

Impact

Attempted User Privilege Gain

CVE-2018-8406:

CVSS base score 7.8

CVSS impact score 5.9

CVSS exploitability score 1.8

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Detailed information

CVE-2018-8406: 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 2016, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8400, CVE-2018-8401, CVE-2018-8405.

Affected systems

  • microsoft windows_10 -
  • microsoft windows_10 1607
  • microsoft windows_10 1703
  • microsoft windows_10 1709
  • microsoft windows_10 1803
  • microsoft windowsserver2016 -
  • microsoft windowsserver2016 1709
  • microsoft windowsserver2016 1803

Ease of attack

CVE-2018-8406:

Access Vector

Access Complexity

Authentication

False positives

False negatives

Corrective action

Contributors

  • Cisco's Talos Intelligence Group

Additional References

  • portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2018-8406