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Sid 1-48366

Message

OS-WINDOWS Microsoft Windows dxgkrnl.sys elevation of privilege attempt

Summary

This event is generated when an attacker attempts to exploit a privilege escalation vulnerability in dxgkrnl.sys.

Impact

Attempted User Privilege Gain

CVE-2018-8554:

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

Rule checks for attempts to exploit a privilege escalation vulnerability in dxgkrnl.sys. CVE-2018-8554: An elevation of privilege vulnerability exists when DirectX improperly handles objects in memory, aka "DirectX Elevation of Privilege Vulnerability." This affects Windows 10 Servers, Windows 10, Windows Server 2019. This CVE ID is unique from CVE-2018-8485, CVE-2018-8561.

Affected systems

  • microsoft windows_10 1803
  • microsoft windows_10 1809
  • microsoft windows_server 1803
  • microsoft windowsserver2019 -

Ease of attack

CVE-2018-8554:

Access Vector

Access Complexity

Authentication

False positives

Not known

False negatives

Not known

Corrective action

Contributors

  • Cisco's Talos Intelligence Group

Additional References

  • url