Actively exploited in the wild
Microsoft Windows NTFS Out-Of-Bounds Read 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-2025-24991
MediumCVSS 5.5KEVSummary
Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.
Risk Assessment
An authorized attacker can read data outside the intended memory range, potentially leading to leakage of sensitive information from the system.
Recommendation
Apply the Microsoft Windows security updates that fix the NTFS 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-2025-24993HighActively exploited
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code 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)
Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

