This vulnerability, identified as CVE-2026-50413 and classified under CWE-416 (Use After Free), affects Windows Runtime in Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). It allows an authorized local attacker to elevate privileges by exploiting a use-after-free condition. The vulnerability has a CVSS 3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability, and no known exploits are reported in the wild as of the publication date.

Successful exploitation of this vulnerability could allow an authorized local attacker to elevate their privileges, potentially gaining higher-level access to the affected system. The impact includes high confidentiality, integrity, and availability consequences as per the CVSS vector. However, exploitation requires local access and authorized privileges.

An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 11 Version 24H2 (build 10.0.26100.0) as soon as possible to remediate this vulnerability. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50413 for detailed update instructions.