CVE-2026-69567: CWE-416: Use After Free in Microsoft Windows 10 Version 1607

This vulnerability, identified as CWE-416 (Use After Free), exists in the Windows NTFS component of Microsoft Windows 10 Version 1607 and subsequent versions. It allows an authorized attacker with local access to exploit the use-after-free condition to elevate privileges. The issue affects multiple Windows 10 builds starting from 10.0.14393.0 up to but not including various patched builds such as 10.0.14393.9512 and others. Microsoft has published an official fix addressing this vulnerability.

Successful exploitation of this vulnerability could allow an authorized local attacker to elevate their privileges, potentially gaining higher-level access to the system. This could lead to full control over the affected Windows 10 system. The vulnerability does not require user interaction and affects confidentiality, integrity, and availability (all rated high in the CVSS vector).

An official fix is available from Microsoft. Users and administrators should apply the security updates provided by Microsoft for the affected Windows 10 versions as detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69567. No additional mitigation actions are indicated beyond applying the official patch.