This vulnerability (CVE-2026-50479) is classified as CWE-822: Untrusted Pointer Dereference. It affects the Windows USB Hub Driver in Windows 10 Version 1809 (build 10.0.17763.0). The flaw allows an attacker with local authorized access to exploit the untrusted pointer dereference to elevate their privileges on the system. The CVSS v3.1 base score is 7.8, indicating high severity, with attack vector local, low attack complexity, and no user interaction required. Microsoft has published an official fix to remediate this vulnerability.

Successful exploitation of this vulnerability could allow an authorized local attacker to gain elevated privileges, potentially leading to full system compromise. The confidentiality, integrity, and availability impacts are all rated high according to the CVSS vector.

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 detailed in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50479. No additional mitigation steps are indicated by the vendor advisory.