Out-of-bounds read in Windows and Windows Server - CVE-2026-58528
Published: July 17, 2026
Vulnerability identifier: #VU138141
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-58528
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows an attacker with physical access to disclose sensitive information.
The vulnerability exists due to out-of-bounds read in Windows USB Audio Class driver (usbaudio.sys) when parsing input from a physical attack surface. An attacker with physical access can supply crafted input via a physical attack to disclose sensitive information.
How to mitigate CVE-2026-58528
Install security update from vendor's website.