Microsoft Windows Resilient File System Remote Code Execution Vulnerability

Vulnerability

A heap-based buffer overflow vulnerability has been identified in the Windows Resilient File System (ReFS). This vulnerability allows an authorized attacker to execute code remotely over a network. It affects several different versions and ranges of Windows 11 and Windows Server 2022 and 2025.

Impact

Exploitation of this vulnerability could lead to remote code execution on the affected system.

Remediation

Users can apply the security update for this vulnerability, which is available through the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles KB5072033, KB5072014, KB5071542, KB5071417, and KB5071547.

Added: Dec 9, 2025, 10:52 PM
Updated: Dec 9, 2025, 10:52 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
7.5
exploitability
5.2
remediation
0.0
relevance
1.4
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.