Executive brief
Windows NTFS is the default file system that manages all data storage on Windows computers and servers. A stack-based buffer overflow in NTFS could allow an authenticated user on a network to gain elevated system privileges, potentially giving an attacker full control over the affected machine and access to all stored data.
Technical details
This vulnerability is a stack-based buffer overflow in the Windows NTFS file system driver. The flaw allows an authorized attacker to overflow a stack buffer, which can be exploited to execute arbitrary code with elevated privileges. The attack requires network access and existing user authentication on the target system. Successful exploitation grants the attacker privilege escalation, potentially leading to full system compromise. Microsoft has released a security patch to address this issue; administrators should apply updates promptly.
Affected products
- Microsoft Windows <UNKNOWN>
Timeline
- 2026-09-08: disclosed