PT-2026-58454 · Microsoft · Windows Usb Hub Driver

Published 2026-07-14 · Updated 2026-07-15 · CVE-2026-50479

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Windows USB Hub Driver (affected versions not specified)

Description An untrusted pointer dereference in the Windows USB Hub Driver allows an authorized attacker to elevate privileges locally. A pointer dereference occurs when a program accesses a memory location using a pointer that contains an invalid or unexpected address.

Recommendations Apply the July Windows updates.

Fix

LPE

Untrusted Pointer Dereference

Weakness Enumeration

CWE-822

Related Identifiers

CVE-2026-50479

Affected Products

Windows Usb Hub Driver

References · 3

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50479 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-50479 · Security Note
• https://twitter.com/windowsforum/status/2077359308426096808 · Twitter Post