Disclosure summary
This short blog post is about abusing a privilege escalation bug that Microsoft recently fixed in Windows, CVE-2026-66804, that I and 14 others reported. This issue is an incomplet
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Project Zero · RSS-aeff1dc7e91a24bb2d1c9fc6f5393897353
Open original source · Updated Sep 20, 2026
Windows Exploitation Techniques: Dangling COM Object Registrations
CVE mention in publisher metadata; check the original affected versions.
Original records & references
- NIST NVD record
- CVE Program record
- projectzero.google — Publisher advisory
PUBLISHED 2026-09-20T18:00:00-04:00
MODIFIED 2026-09-20T18:00:00-04:00
INGESTED 2026-10-06T11:44:16-04:00