The vulnerability of the Resilient File System (ReFS) in Windows operating systems allows a perpetrator to increase their privileges.
🗓️ 18 Sep 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 2 Views
| Reporter | Title | Published | Views | Family All 11 |
|---|---|---|---|---|
 | CVE-2026-83999 | 8 Sep 202622:08 | – | circl |
 | CVE-2026-83999 | 8 Sep 202617:14 | – | cve |
 | CVE-2026-83999 Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability | 8 Sep 202617:14 | – | cvelist |
 | EUVD-2026-73362 | 8 Sep 202617:14 | – | euvd |
 | Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability | 8 Sep 202614:00 | – | mscve |
 | CVE-2026-83999 | 8 Sep 202618:21 | – | nvd |
 | PT-2026-88144 | 8 Sep 202600:00 | – | ptsecurity |
 | KB5122871: Windows Server 2025 Security Update (September 2026) | 8 Sep 202600:00 | – | nessus |
| KB5124008: Windows 11 Version 24H2 / 25H2 / 26H2 Security Update (September 2026) | 8 Sep 202600:00 | – | nessus |
| KB5124012: Windows 11 Version 26H1 Security Update (September 2026) | 8 Sep 202600:00 | – | nessus |
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18 Sep 2026 00:00Current
CVSS 26
CVSS 37
EPSS0.0021