# CVE-2025-24993: Microsoft Windows NTFS Heap-Based Buffer Overflow Vulnerability

Source: https://junglewise.ai/threats/cve-2025-24993-microsoft-windows-ntfs-heap-based-buffer-overflow-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-03-11. Updated: 2026-05-09  
License: CC BY 4.0 with a link back

CVE-2025-24993 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2025-03-11

A heap-based buffer overflow vulnerability in the Microsoft Windows New Technology File System (NTFS) allows an unauthorized attacker to execute code locally. The vulnerability requires user interaction and is currently known to be exploited in the wild.

Technologies: [Microsoft Windows](https://junglewise.ai/threats/technologies/windows). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2025-24993 exploited in the wild?** Yes. CVE-2025-24993 is known to be exploited in the wild, first recorded on 11 March 2025. Treat it as urgent.

**How severe is CVE-2025-24993?** Critical severity, with a CVSS score of 7.8, published 11 March 2025.

**Which products and versions are affected?** Microsoft Windows 10 1507, 1607, 1809, 21H2, 22H2; Microsoft Windows Server 2008, 2012, 2016, 2019, 2022, 2025.

**Is there a fix for CVE-2025-24993?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2025-24993 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2025-24993?** Check whether you run Microsoft Windows. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Microsoft Windows 10 1507, 1607, 1809, 21H2, 22H2
- Microsoft Windows Server 2008, 2012, 2016, 2019, 2022, 2025

## Timeline

- 2025-03-11: disclosed
- 2025-03-11: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2025-03-11: advisory: Microsoft published vendor advisory

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