This vulnerability, identified as CWE-416 (Use After Free), exists in the Windows Projected File System on Windows 10 Version 1809 (build 10.0.17763.0). It allows a local attacker with authorized access to exploit the use-after-free condition to elevate their privileges. The vulnerability is confirmed and published with a CVSS v3.1 score of 7.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this issue, as documented in their security update guide.

Successful exploitation of this vulnerability could allow an authorized local attacker to gain elevated privileges, potentially leading to full control over the affected system. This impacts confidentiality, integrity, and availability of the system resources.

An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1809 (build 10.0.17763.0) as soon as possible to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32078 for detailed patch information and installation instructions.