CVE-2026-68838
HighCVSS 8.0Exploitation Probability (EPSS)
Elevated risk54th percentile - higher than 54% of all known CVEs
Summary
A stack-based buffer overflow exists in Windows NTFS. This allows an authorized attacker to elevate privileges over a network.
Risk Assessment
A network attacker could exploit this to gain elevated privileges, potentially leading to unauthorized data access or system takeover.
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-2025-24993HighActively exploited
Heap-based buffer overflow in Windows NTFS allows an unauthorized 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-2026-83995High
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.
Original NVD description (English source)
Stack-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS