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CVE-2026-83999

🗓️ 08 Sep 2026 18:21:10Reported by [email protected]Type 
nvd
 nvd🔗 web.nvd.nist.gov👁 2 Views

Link following in Windows ReFS Deduplication Service allows local privilege escalation.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
cve
CVE		CVE-2026-83999
8 Sep 202617:14
–cve
cvelist
Cvelist		CVE-2026-83999 Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
8 Sep 202617:14
–cvelist
euvd
EUVD		EUVD-2026-73362
8 Sep 202617:14
–euvd
NVD
Node
OR
microsoftwindows_11_24h2Range<10.0.26100.9445arm64
microsoftwindows_11_24h2Range<10.0.26100.9445x64
microsoftwindows_11_25h2Range<10.0.26200.9445arm64
microsoftwindows_11_25h2Range<10.0.26200.9445x64
microsoftwindows_11_26h1Range<10.0.28000.2954arm64
microsoftwindows_11_26h1Range<10.0.28000.2954x64
microsoftwindows_server_2025Range<10.0.26100.33438

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09 Sep 2026 20:12Current
CVSS 3.17
EPSS0.00215
CWE-59
ReFS Deduplication ServiceLink FollowingPrivilege EscalationWindowsLocal
2