CVE-2026-83999 — Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability

Improper link resolution before file access ('link following') in Windows Resilient File System (ReFS) Deduplication Service allows an authorized attacker to elevate privileges …

Published: 2026-09-08 · CVSS: 7.0 · CVSS 3.1

Improper link resolution before file access ('link following') 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 8b16575c39f1e1810c5e863010da073d2d3285e7