usb vulnerabilities

The usb vulnerabilities tag covers security information about flaws affecting USB components in Windows. Current coverage focuses on CVE-2026-50453, an out-of-bounds read in Microsoft’s Windows USB Audio Class driver, usbaudio.sys. The issue can expose information when an attacker has physical access to a computer, including PCs and servers that accept USB peripherals in public, shared, or otherwise uncontrolled environments. Microsoft rates the vulnerability Important and describes it as requiring no privileges or user interaction. The tag also follows Microsoft’s July 14, 2026 security updates, which address the flaw, along with the practical need to deploy those updates promptly where USB access is not fully controlled.