Topic

Local Privilege Escalation

Reporting and analysis related to Local Privilege Escalation.

Articles: 1
Desk: 1

$Data graphic: Windows Cross Device flaw CVE-2026-66804 hands out SYSTEM, scored CVSS 3.1 7.8 Important by Microsoft, with Exploitation More Likely and a working exploit public. The four-step path runs from creating a DLL under ProgramData\CrossDevice, to a fake IMarshal object naming a dangling CLSID, to the Shell Create Object Handler, to the DLL loading in dllhost.exe as SYSTEM.$

elevatedExploits Local Privilege Escalation

Windows Cross Device flaw gives local users SYSTEM, with a public PoC

Project Zero's Forshaw details CVE-2026-66804, an incomplete fix for the Dark Elevator bug. A working exploit is public; August 2026 updates fix it.

Oct 2 · 5 min