CVE-2026-56175: Windows NTFS Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.
Other sources
Windows NTFS Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Event History
Frequently Asked Questions
Who can exploit this vulnerability?
An attacker must already be authorized to access the affected Windows system and must be able to execute an attack locally. The provided information does not indicate that remote exploitation or user interaction is required.
What is the impact if exploitation succeeds?
Successful exploitation allows local privilege elevation. The severity data indicates high potential impact to confidentiality, integrity, and availability.
Which systems should be prioritized for remediation?
Prioritize systems running the listed affected products: Windows 10, Windows 11, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025. A patch is available.