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CVE-2026-83999
HIGH
CVSS: 7.0
Published: 2026-09-08
Modified: 2026-09-11
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.
Affected Platforms
Microsoft Windows 11 24H2Microsoft Windows 11 25H2Microsoft Windows Server 2025Microsoft Windows 11 26H1