Executive Summary

Starting with Windows updates released on and after October 13, 2026, Microsoft is making hardening changes to the Resilient File System (ReFS) . This change is not enable by default until 2027. Please see Hardening changes for ReFS volumes on removable media for more information.

Overview

None
MS Severity
Not Exploited
MS Exploit Status
Not Found
MS Exploit Likelihood
Category Not a Vulnerability
Released Oct 13 2026
Last Updated Oct 13 2026
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known

EPSS Score

No EPSS score available for this CVE.

View on FIRST.org

Exploits & PoC

Detection Rules

Acknowledgments

Thanatos Tian (HKPolyU) & wgg & @2st__ with Diffract & Zhiniang Peng with HUST
Anonymous