SB2025040943 - Information disclosure in Microsoft Windows Resilient File System (ReFS)



SB2025040943 - Information disclosure in Microsoft Windows Resilient File System (ReFS)

Published: April 9, 2025

Security Bulletin ID SB2025040943
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper access control (CVE-ID: CVE-2025-27738)

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in Windows Resilient File System (ReFS). A remote user can bypass implemented security restrictions and gain unauthorized access to sensitive information.


Remediation

Install update from vendor's website.