CVE-2026-58528

Analyzed Analyzed - Analysis Complete

Out-of-Bounds Read in Windows USB Audio Class Driver

Publication date: 2026-07-14

Last updated on: 2026-07-22

Assigner: Microsoft Corporation

Description

Out-of-bounds read in Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to disclose information with a physical attack.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-14

Last Modified

2026-07-22

Generated

2026-08-03

AI Q&A

2026-07-15

EPSS Evaluated

2026-08-02

NVD

CVE-2026-58528

EUVD

EUVD-2026-44284

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_10_1809	to 10.0.17763.9020 (exc)
microsoft	windows_10_1809	to 10.0.17763.9020 (exc)
microsoft	windows_11_26h1	to 10.0.28000.2525 (exc)
microsoft	windows_11_26h1	to 10.0.28000.2525 (exc)
microsoft	windows_11_24h2	to 10.0.26100.8875 (exc)
microsoft	windows_11_24h2	to 10.0.26100.8875 (exc)
microsoft	windows_server_2025	to 10.0.26100.33158 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7548 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7548 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7548 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7548 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7548 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7548 (exc)
microsoft	windows_11_25h2	to 10.0.26200.8875 (exc)
microsoft	windows_11_25h2	to 10.0.26200.8875 (exc)
microsoft	windows_server_2022	to 10.0.20348.5386 (exc)
microsoft	windows_server_2019	to 10.0.17763.9020 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is an out-of-bounds read flaw in the Windows USB Audio Class driver (usbaudio.sys). It allows an unauthorized attacker to access and disclose sensitive information by exploiting physical access to the system.

Detection Guidance

This vulnerability requires physical access to exploit, so detection focuses on monitoring for unusual USB audio device interactions. Check Windows Event Viewer for driver-related errors under System logs. Use PowerShell commands like Get-WinEvent -LogName System | Where-Object {$_.Message -like '*usbaudio.sys*'} to filter relevant events.

Impact Analysis

An attacker with physical access could exploit this to read sensitive data from memory, potentially leading to unauthorized information disclosure. The impact includes compromised confidentiality of system data.

Compliance Impact

This vulnerability could lead to unauthorized data disclosure, which may violate compliance requirements for data protection standards like GDPR and HIPAA, depending on the data accessed.

Mitigation Strategies

Apply the latest Windows security updates immediately. Disable unused USB audio devices via Device Manager. Restrict physical access to systems. Monitor for unauthorized USB device connections.

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