This vulnerability (CWE-415: Double Free) exists in Windows Autopilot on Windows 11 Version 24H2 (build 10.0.26100.0). It allows a local attacker with some level of authorization to trigger a double free condition, potentially leading to privilege escalation. The CVSS 3.1 base score is 7.0, reflecting high severity with local attack vector, high attack complexity, and requiring low privileges but no user interaction. Microsoft has published an official fix for this vulnerability.

An authorized local attacker can exploit this double free vulnerability to elevate their privileges on the affected Windows 11 system. This could lead to full system compromise depending on the privileges gained. There are no known exploits in the wild at the time of publication.

Microsoft has released an official fix for this vulnerability. Users and administrators should apply the security update provided by Microsoft as soon as possible to remediate the issue. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65780 for patch details and update instructions.