Microsoft Windows up to Server 2025 NTFS heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Microsoft Windows. Affected is an unknown function of the component NTFS. The manipulation results in heap-based overflow. This vulnerability is cataloged as CVE-2025-24993. The attack must be initiated from a local position. Furthermore, there is an exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows. It has been classified as critical. Affected is some unknown functionality of the component NTFS. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. 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(). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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

The weakness was shared 03/11/2025 as confirmed security update guide (Website). The advisory is shared for download at msrc.microsoft.com. This vulnerability is traded as CVE-2025-24993. The exploitability is told to be easy. The attack needs to be approached locally. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 10/22/2025).

It is declared as attacked. This issue was added on 03/11/2025 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 04/01/2025:

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Zero-Day.cz (976). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 7.8
Vendor Vector (Microsoft): 🔍

CNA Base Score: 7.8
CNA Vector (Microsoft): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Zero-Day.cz: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

03/11/2025 🔍
03/11/2025 +0 days 🔍
03/11/2025 +0 days 🔍
10/22/2025 +224 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CNA: Microsoft
CVE: CVE-2025-24993 (🔍)

GCVE (CVE): GCVE-0-2025-24993
GCVE (VulDB): GCVE-100-299364
scip Labs: https://www.scip.ch/en/?labs.20161215

Entryinfo

Created: 03/11/2025 18:55
Updated: 10/22/2025 00:02
Changes: 03/11/2025 18:55 (32), 03/11/2025 18:56 (1), 03/11/2025 18:59 (36), 03/11/2025 19:58 (16), 03/12/2025 12:04 (11), 03/14/2025 08:02 (1), 03/17/2025 08:14 (2), 10/22/2025 00:02 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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