VulnerabilityModified

CVE-2022-21959

Windows Resilient File System (ReFS) Remote Code Execution Vulnerability

MEDIUM 6.8EPSS 0.74%

Does this matter?

Lower severity and a low EPSS score (0.74%). Track it; it rarely justifies an emergency change on its own.

Description

Windows Resilient File System (ReFS) Remote Code Execution Vulnerability

CVSS 3.1: 6.8 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.74% probability · 54th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Affected: microsoft/windows 10 · microsoft/windows 11 · microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019
Source: secure@microsoft.com

EPSS trend

EPSS 0.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.