Historical catalog analysis: CISA added this entry on March 11, 2025. The entry reflects catalog information retrieved on August 31, 2026, not a snapshot archived on the inclusion date. Check current vendor guidance before acting.
What the vulnerability is
CVE-2025-24984 is an information disclosure vulnerability affecting the Microsoft Windows New Technology File System (NTFS). The flaw involves the insertion of sensitive information into a log file (CWE-532), which could allow an unauthorized actor to read portions of heap memory. This specific vulnerability requires a physical attack vector to be exploited.
Exposure and applicability
Because NTFS is the primary file system for Windows environments, this vulnerability is applicable to a wide range of healthcare infrastructure, including workstations in clinical areas, administrative servers hosting electronic Protected Health Information (ePHI), and various medical-device controllers running Windows.
The risk is highest for devices located in public-facing or semi-public areas—such as kiosks, nursing stations, or shared diagnostic terminals—where physical access controls may be less stringent than in a locked data center. While the vulnerability does not allow remote execution, the potential disclosure of heap memory could expose sensitive system data to an individual with direct physical access to the hardware.
Remediation priorities
Our analysis suggests that healthcare organizations should prioritize mitigations based on the physical accessibility of the affected systems. We recommend the following prioritized actions:
- Apply Vendor Mitigations: The primary technical defense is to apply the updates and mitigations provided by Microsoft. This addresses the underlying software flaw that allows sensitive data to be written to log files.
- Restrict Physical Access: For high-risk systems (e.g., servers containing ePHI), ensure physical security controls are enforced. This includes locking server racks, disabling unused USB ports, and securing workstations in clinical environments to reduce the likelihood of a physical attack.
- Review Endpoint Hardening: Evaluate the use of full-disk encryption and secure boot configurations. While these may not prevent the specific log file insertion, they are critical components of a defense-in-depth strategy for protecting data at rest on Windows systems.
How to validate remediation
To verify that exposure has been reduced, security leaders and clinical engineering teams should employ the following methods:
- Update Verification: Confirm through centralized patch management tools or system audits that the specific Microsoft updates addressing CVE-2025-24984 have been successfully deployed across all Windows endpoints.
- Physical Audit: Conduct a walkthrough of clinical and administrative spaces to ensure that hardware hosting ePHI is physically secured and that unauthorized physical access to ports and chassis is restricted.
Limits and open questions
It is important to note that software patches alone do not eliminate the risks associated with physical access; they only address the specific mechanism of this information disclosure. Residual risk remains if an attacker can bypass physical security to employ other hardware-level attacks. Additionally, it remains unknown whether this vulnerability has been utilized in active ransomware campaigns or other targeted attacks against healthcare entities.
Source and editorial note
CVE-2025-24984: Microsoft Windows NTFS Information Disclosure Vulnerability · Source date: March 11, 2025 · Retrieved August 31, 2026.
Material facts are tied to the cited primary source. Recommendations are independent defensive analysis unless attributed to the source. Confirm consequential decisions against current authoritative guidance.
Archive date: March 14, 2025. The displayed post date is assigned three days after the source date to organize this retrospective archive; it does not mean this site published the analysis then. First published by this site: October 18, 2026 at 01:22 UTC.
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