Executive brief
Windows NTFS is the file system used by all modern Windows computers to store and manage files. A stack-based buffer overflow vulnerability allows an authorized user on the network to run arbitrary code with elevated privileges, potentially gaining full control of affected systems and accessing sensitive data.
Technical details
A stack-based buffer overflow vulnerability exists in the Windows NTFS file system driver. The vulnerability can be exploited by an authorized attacker over the network to achieve privilege escalation. The flaw allows an attacker with valid credentials to trigger a memory corruption condition that can be leveraged to execute arbitrary code with elevated privileges. No indication of active exploitation in the wild has been reported at this time. A security update from Microsoft is available to address this issue.
Affected products
- Microsoft Windows NTFS <UNKNOWN>
Timeline
- 2026-09-08: disclosed
- other: Not reported as exploited in the wild as of publication date