Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-83586

Weak authentication in Windows Resilient File System (ReFS) Deduplication Service allows an authorized attacker to elevate privileges locally.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 25.2%
CVSS Severity
CVSS v3 Score 7.8
Products affected by CVE-2026-83586


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