Skip to content
Fencer Vulns
medium 6.8

CVE-2022-21962 json

Windows Resilient File System (ReFS) Remote Code Execution Vulnerability

published 2022-01-11 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-27117

cvss
6.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

Windows Resilient File System (ReFS) Remote Code Execution Vulnerability

Patch / fix

  • Microsoft Windows 10 Version 1809 10.0.17763.2452
  • Microsoft Windows Server 2019 10.0.17763.2452
  • Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.2452
  • Microsoft Windows 10 Version 1909 10.0.18363.2037
  • Microsoft Windows 10 Version 21H1 10.0.19043.1466
  • Microsoft Windows Server 2022 10.0.20348.469
  • Microsoft Windows 10 Version 20H2 10.0.19042.1466
  • Microsoft Windows Server version 20H2 10.0.19042.1466
  • Microsoft Windows 11 version 21H2 10.0.22000.434
  • Microsoft Windows 10 Version 21H2 10.0.19044.1466
  • Microsoft Windows 10 Version 1507 10.0.10240.19177
  • Microsoft Windows 10 Version 1607 10.0.14393.4886
  • Microsoft Windows Server 2016 10.0.14393.4886
  • Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.4886
  • Microsoft Windows 8.1 6.3.9600.20246
  • Microsoft Windows Server 2012 6.2.9200.23584
  • Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.23584
  • Microsoft Windows Server 2012 R2 6.3.9600.20246
  • Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.20246

Exploit prediction

0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CNA 3.1 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • Microsoft Windows 10 Version 1809
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2019 (Server Core installation)
  • Microsoft Windows 10 Version 1909
  • Microsoft Windows 10 Version 21H1
  • Microsoft Windows Server 2022
  • Microsoft Windows 10 Version 20H2
  • Microsoft Windows Server version 20H2
  • Microsoft Windows 11 version 21H2
  • Microsoft Windows 10 Version 21H2
  • Microsoft Windows 10 Version 1507
  • Microsoft Windows 10 Version 1607
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2016 (Server Core installation)
  • Microsoft Windows 8.1
  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2012 (Server Core installation)
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2012 R2 (Server Core installation)

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.