Threat video1:00
CVE-2026-66804 Windows Cross Device EoP: Detection & IOCs
A missing COM server DLL lets standard users plant code that loads as SYSTEM; 9 detection rules, 13 IOCs and a free Splunk SPL rule cover it.
Read the full threat intel for CVE-2026-66804 Windows Cross Device EoP: Detection & IOCs →
Chapters
- 0:00The hookA Windows fix was incomplete, score 7.8.
- 0:04The storyA class points at a missing file.
- 0:11Attack pathPublic reports say a missing file is the weak point.
- 0:25AttributionNo threat actor is attributed.
- 0:29Indicators of compromise8 indicators to hunt: 2 URLs, 1 file name and 3 registry keys, and more.
- 0:37MITRE ATT&CK techniques6 ATT&CK techniques, from execution to defense impairment.
- 0:42Remediation3 steps now: Install the August 2026 Windows security updates containing.
- 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript
0:00A Windows fix was incomplete, score 7.8.
0:05A class points at a missing file.
0:07Users can create it.
0:11Public reports say a missing file is the weak point.
0:14A privileged process loads it, and code runs as SYSTEM.
0:18Dark Elevator used this registration first.
0:25No threat actor is attributed. Confidence: low.
0:308 indicators to hunt: 2 URLs, 1 file name and 3 registry keys, and more.
0:376 ATT&CK techniques, from execution to defense impairment.
0:423 steps now: Install the August 2026 Windows security updates containing.
0:519 detection rules, in SPL, KQL and Sigma.
0:56Threadlinqs. The unified security engineering platform.