CVE-2026-83586 — Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability

Weak authentication in Windows Resilient File System (ReFS) Deduplication Service allows an authorized attacker to elevate privileges locally.

Published: 2026-10-13 · CVSS: 7.8 · CVSS 3.1

Weak authentication in Windows Resilient File System (ReFS) Deduplication Service allows an authorized attacker to elevate privileges locally.

Original CVE JSON · STIX 2.1

Source: CVE Program · Revision b3c4bc369e1d7ee69235e352bacfbb449caf40a8