This vulnerability involves a use-after-free condition in the Windows Ancillary Function Driver for WinSock on Windows 10 Version 1607 (build 10.0.14393.0). Exploiting this flaw could allow a local attacker with limited privileges to elevate their privileges on the affected system. The CVSS 3.1 base score is 7.0, indicating high severity, with attack vector local, high attack complexity, and requiring low privileges but no user interaction. Microsoft has released an official fix for this vulnerability.

Successful exploitation of this vulnerability could result in an attacker gaining elevated privileges on the affected Windows 10 Version 1607 system. This could allow the attacker to execute code with higher privileges, potentially leading to full system compromise. There are no known exploits in the wild at this time.

An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as soon as possible to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45596 for detailed patch information and deployment guidance.