7

CVE-2026-83999

Medienbericht

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 locally.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Windows 11 24h2 HwPlatform arm64 Version < 10.0.26100.9445
Microsoft ≫ Windows 11 24h2 HwPlatform x64 Version < 10.0.26100.9445
Microsoft ≫ Windows 11 25h2 HwPlatform arm64 Version < 10.0.26200.9445
Microsoft ≫ Windows 11 25h2 HwPlatform x64 Version < 10.0.26200.9445
Microsoft ≫ Windows 11 26h1 HwPlatform arm64 Version < 10.0.28000.2954
Microsoft ≫ Windows 11 26h1 HwPlatform x64 Version < 10.0.28000.2954
Microsoft ≫ Windows Server 2025 Version < 10.0.26100.33438
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.21% 0.112
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Microsoft 7 1 5.9
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-59 Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Für Zugriff zu Vulnerability Intelligence ist ein VulnDex Zugang erforderlich.
VulnDex Intel
Media Report
08.09.2026 20:38
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83999
Patch
Vendor Advisory