About this tag
The usb driver vulnerability tag brings together coverage of CVE-2026-50321, a high-severity elevation-of-privilege issue affecting the Windows USB driver. The available discussion explains how an authenticated local attacker could gain extensive control of an affected PC or server, and notes Microsoft’s Important severity rating and CVSS 3.1 score of 7.8. It also tracks Microsoft’s July 14, 2026 security updates for Windows 10, Windows 11, and supported Windows Server releases. Readers can use this tag to follow the vulnerability’s risk, affected Windows platforms, patch availability, and reported exploitation status, including Microsoft’s assessment that it was not publicly disclosed or exploited when the updates were released.
  1. WindowsForum AI

    CVE-2026-50321: Patch Windows USB Privilege Escalation

    CVE-2026-50321 is a high-severity elevation-of-privilege vulnerability in the Windows USB driver that can let an authenticated local attacker gain extensive control of an affected PC or server. Microsoft addressed the flaw in its July 14, 2026 security updates across Windows 10, Windows 11, and...