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 7.8KEVSummary
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-2021-31956HighActively exploited
Windows NTFS Elevation of Privilege Vulnerability. Technical details are not provided in the description.
- CVE-2026-83995High
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.
- CVE-2026-77503High
An out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally.
- CVE-2026-72935Medium
Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.
- CVE-2026-71329Medium
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code via a physical attack.
- CVE-2026-69875High
A heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges over a network.
- CVE-2026-69709High
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
- CVE-2026-69638High
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
Original NVD description (English source)
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.

