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

criticalknown exploitedCVE-2025-24993
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Microsoft Windows New Technology File System (NTFS) contains a heap-based buffer overflow vulnerability that allows an unauthorized attacker to execute code locally.

CSIRTS triage

vendor: Microsoftproduct: Windows NTFSRemote code execution
What
This vulnerability allows an unauthorized attacker to execute code locally through a heap-based buffer overflow.
Who is affected
Unauthorized attackers on systems using NTFS are affected.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Install the latest patches for Windows NTFS.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2025-03-11
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-24993

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2025-24993coverage & exploitation statusNVD · CVE.org

Recent advisories for Microsoft Windows NTFS

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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