CVE-2025-24993

Microsoft Windows — Microsoft Windows NTFS Heap-Based Buffer Overflow Vulnerability
⚠️ CVSS 3.1  7.8 / 10 — HIGH 🔴 CISA Known Exploited Vulnerability

Overview

Microsoft Windows New Technology File System (NTFS) contains a heap-based buffer overflow vulnerability that allows an unauthorized attacker to execute code locally.

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-24993 ; https://nvd.nist.gov/vuln/detail/CVE-2025-24993

Key Details

PropertyValue
CVE ID CVE-2025-24993
Vendor / Product Microsoft — Windows
NVD Published2025-03-11
NVD Last Modified2025-10-27
CVSS 3.1 Score7.8
CVSS 3.1 VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SeverityHIGH
CWE CWE-122
CISA KEV Added2025-03-11
CISA KEV Deadline2025-04-01
Known Ransomware Use No

CVSS 3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Required Action

CISA BOD 22-01 Deadline: 2025-04-01. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Timeline

DateEvent
2025-03-11Added to CISA Known Exploited Vulnerabilities catalog
2025-04-01CISA BOD 22-01 remediation deadline

References

ResourceType
NVD — CVE-2025-24993 Vulnerability Database
CISA KEV Catalog Entry US Government