Actively exploited in the wild
Microsoft Windows NTFS Heap-Based Buffer Overflow Vulnerability
Microsoft - Windows · Listed in the CISA KEV since 2025-03-11. This indicates confirmed attacks in production environments.
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.
CVE-2025-24993
HighCVSS 7.8KEVExploitation Probability (EPSS)
High risk82th percentile - higher than 82% of all known CVEs
Summary
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
Risk Assessment
An attacker could execute arbitrary code in the context of the local user, potentially leading to system compromise.
Recommendation
Apply the latest Windows security updates that address this vulnerability.
Other vulnerabilities in Windows NTFS
See all- CVE-2026-69463Critical
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code over a network.
- CVE-2026-20840High
A heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
- CVE-2025-24991MediumActively exploited
Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.
- CVE-2025-24984MediumActively exploited
A vulnerability in Windows NTFS involves insertion of sensitive information into a log file. An attacker with physical access can exploit this to disclose information.
- CVE-2021-31956HighActively exploited
Windows NTFS Elevation of Privilege Vulnerability. Technical details are not provided in the description.
- CVE-2026-96935Medium
Exposure of sensitive system information to an unauthorized control sphere in Windows NTFS allows an authorized attacker to disclose information locally.
- CVE-2026-96931High
Untrusted pointer dereference in Windows NTFS allows an authorized attacker to elevate privileges locally.
- CVE-2026-96928High
Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.
- CVE-2026-96927Medium
Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.
- CVE-2026-96925Medium
Integer underflow (wrap or wraparound) in Windows NTFS allows an authorized attacker to disclose information locally. The flaw results from improper handling of numeric values in the NTFS driver.
Original NVD description (English source)
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS