Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
Published 2025-03-11 16:59:20
Updated 2025-03-13 14:21:59
View at NVD,   CVE.org
Vulnerability category: OverflowExecute code

Products affected by CVE-2025-24993

CVE-2025-24993 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Microsoft Windows NTFS Heap-Based Buffer Overflow Vulnerability
CISA required action:
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA description:
Microsoft Windows New Technology File System (NTFS) contains a heap-based buffer overflow vulnerability that allows an unauthorized attacker to execute code locally.
Notes:
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-24993 ; https://nvd.nist.gov/vuln/detail/CVE-2025-24993
Added on 2025-03-11 Action due date 2025-04-01

Exploit prediction scoring system (EPSS) score for CVE-2025-24993

4.55%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 89 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2025-24993

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/...
N/A
N/A
Microsoft Corporation 2025-03-11
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1.8
5.9
Microsoft Corporation 2025-03-11
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/...
N/A
N/A
MS-CVE-2025-24993 2025-03-11

CWE ids for CVE-2025-24993

  • A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
    Assigned by: secure@microsoft.com (Primary)

References for CVE-2025-24993

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