---
id: CVE-2026-50479
title: >-
  Untrusted pointer dereference in Windows USB Hub Driver allows an authorized
  attacker to elevate privileges locally.
summary: >-
  Untrusted pointer dereference in Windows USB Hub Driver allows an authorized
  attacker to elevate privileges locally.
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-822
published: '2026-07-14'
updated: '2026-07-17'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-50479'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50479'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
epss: 0.00333
epssPercentile: 0.23932
ingestedAt: '2026-07-17T20:15:43.225Z'
vendor: Microsoft
product: Windows 10 Version 1809
affected:
  - windows_10_version_1809 >= 10.0.17763.0 < 10.0.17763.9020
  - windows_10_version_21h2 >= 10.0.19044.0 < 10.0.19044.7548
  - windows_10_version_22h2 >= 10.0.19045.0 < 10.0.19045.7548
  - windows_server_2019 >= 10.0.17763.0 < 10.0.17763.9020
  - >-
    windows_server_2019_server_core_installation >= 10.0.17763.0 <
    10.0.17763.9020
  - windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5386
  - windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33158
  - >-
    windows_server_2025_server_core_installation >= 10.0.26100.0 <
    10.0.26100.33158
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-07-16T00:00:00+00:00'
---

## Overview

Untrusted pointer dereference in Windows USB Hub Driver allows an authorized attacker to elevate privileges locally.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.