CVE-2026-83999EPSS p18.9%

CVE-2026-83999CVE-2026-83999

microsoft / windows_11_24h2

Description

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

Scoring

CVSS 7.0 ()
VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.28% probability of exploitation · percentile 18.9% · 2026-10-05T12:00:23Z
Last modified2026-09-11
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.