Product:
Windows NTFS
Summary
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally. This vulnerability can lead to significant impacts on confidentiality, integrity, and availability. Attackers with low privileges can exploit this flaw without user interaction.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.8 | CVE-2026-20840 |
Exploitation
To exploit this vulnerability, an attacker must have local access to the system and can leverage the heap-based buffer overflow to execute arbitrary code. The low attack complexity means that it can be executed easily by an authorized user, making it a serious threat to systems running affected versions of Windows NTFS.
Affected Products
- Windows NTFS: Vulnerable to heap-based buffer overflow allowing local code execution.
Mitigation
To mitigate this vulnerability, it is recommended to apply the latest security updates provided by Microsoft. Regularly updating systems and monitoring for unauthorized access can help reduce the risk of exploitation.