---
id: CVE-2025-24993
title: >-
  Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to
  execute code locally.
summary: >-
  Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to
  execute code locally.
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-122
vendor: microsoft
product: windows_10_1507
affected:
  - windows_10_1507 < 10.0.10240.20947
  - windows_10_1607 < 10.0.14393.7876
  - windows_10_1809 < 10.0.17763.7009
  - windows_10_21h2 < 10.0.19044.5608
  - windows_10_22h2 < 10.0.19045.5608
  - windows_11_22h2 < 10.0.22621.5039
  - windows_11_23h2 < 10.0.22631.5039
  - windows_11_24h2 < 10.0.26100.3403
  - windows_server_2008
  - windows_server_2008 = r2
  - windows_server_2012
  - windows_server_2012 = r2
  - windows_server_2016 < 10.0.14393.7876
  - windows_server_2019 < 10.0.17763.7009
  - windows_server_2022 < 10.0.20348.3270
  - windows_server_2022_23h2 < 10.0.25398.1486
  - windows_server_2025 < 10.0.26100.3403
patched:
  - windows_10_1507 10.0.10240.20947
  - windows_10_1607 10.0.14393.7876
  - windows_10_1809 10.0.17763.7009
  - windows_10_21h2 10.0.19044.5608
  - windows_10_22h2 10.0.19045.5608
  - windows_11_22h2 10.0.22621.5039
  - windows_11_23h2 10.0.22631.5039
  - windows_11_24h2 10.0.26100.3403
  - windows_server_2016 10.0.14393.7876
  - windows_server_2019 10.0.17763.7009
  - windows_server_2022 10.0.20348.3270
  - windows_server_2022_23h2 10.0.25398.1486
  - windows_server_2025 10.0.26100.3403
published: '2025-03-11'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T13:10:00.320'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-24993'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24993'
    label: secure@microsoft.com
  - url: >-
      https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24993
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - kev
  - in-the-wild
epss: 0.02173
epssPercentile: 0.8153
kev: true
kevDateAdded: '2025-03-11'
kevDueDate: '2025-04-01'
kevRansomware: false
exploited: true
zeroDay: true
ingestedAt: '2026-09-24T13:43:25.655Z'
---

## Overview

Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.

## Affected

- `windows_10_1507 < 10.0.10240.20947`
- `windows_10_1607 < 10.0.14393.7876`
- `windows_10_1809 < 10.0.17763.7009`
- `windows_10_21h2 < 10.0.19044.5608`
- `windows_10_22h2 < 10.0.19045.5608`
- `windows_11_22h2 < 10.0.22621.5039`
- `windows_11_23h2 < 10.0.22631.5039`
- `windows_11_24h2 < 10.0.26100.3403`
- `windows_server_2008`
- `windows_server_2008 = r2`
- `windows_server_2012`
- `windows_server_2012 = r2`
- `windows_server_2016 < 10.0.14393.7876`
- `windows_server_2019 < 10.0.17763.7009`
- `windows_server_2022 < 10.0.20348.3270`
- `windows_server_2022_23h2 < 10.0.25398.1486`
- `windows_server_2025 < 10.0.26100.3403`

## Remediation

Upgrade past the affected range:

- `windows_10_1507 10.0.10240.20947`
- `windows_10_1607 10.0.14393.7876`
- `windows_10_1809 10.0.17763.7009`
- `windows_10_21h2 10.0.19044.5608`
- `windows_10_22h2 10.0.19045.5608`
- `windows_11_22h2 10.0.22621.5039`
- `windows_11_23h2 10.0.22631.5039`
- `windows_11_24h2 10.0.26100.3403`
- `windows_server_2016 10.0.14393.7876`
- `windows_server_2019 10.0.17763.7009`
- `windows_server_2022 10.0.20348.3270`
- `windows_server_2022_23h2 10.0.25398.1486`
- `windows_server_2025 10.0.26100.3403`