Details
- Type
- Privilege Escalation
- Impact
- Privilege Escalation
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Published
- 8 September 2026
- Updated
- 15 October 2026
- Weakness
- CWE-122
Vendor fix
Update to the latest Windows version with security patches.
Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-85880
- https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2026-Sep
- https://euvd.enisa.europa.eu/enisa/EUVD-2026-73365
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85880
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85880
- https://www.volexity.com/blog/2026/09/21/mind-the-patch-gap-part-2-fake-websites-used-to-deploy-chrome-windows-0-day-exploits/
- https://www.proofpoint.com/us/blog/threat-insight/once-bluemoon-multiple-state-aligned-threat-actors-rapidly-adopt-novel-exploit
- https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit