This vulnerability, identified as CVE-2026-45595 and classified under CWE-693 (Protection Mechanism Failure), affects Windows 10 Version 1607 (build 10.0.14393.0). It involves a failure in the Mark of the Web (MOTW) protection mechanism that could allow an attacker to bypass security controls remotely. The CVSS v3.1 base score is 5.4, indicating medium severity, with an attack vector of network, low attack complexity, no privileges required, and user interaction required. Microsoft has published an official fix for this vulnerability.

An attacker can bypass a security feature in Windows 10 Version 1607 remotely, potentially leading to limited integrity and availability impacts. There is no confidentiality impact reported. No known exploits are currently active in the wild.

An official fix is available from Microsoft. Users and administrators should apply the patch provided in the Microsoft security update for CVE-2026-45595 as soon as possible. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45595 for detailed remediation instructions.