PT-2026-58166 · Microsoft · Windows Usb Audio Class Driver+1

CVE-2026-49794 · Published 2026-07-14 · Updated 2026-07-22

Positive Technologies (AI Summary)

CVSS v3.1

4.6

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows USB Audio Class driver (usbaudio.sys) (affected versions not specified)

Description An out-of-bounds read in the usbaudio.sys driver allows an unauthorized attacker to disclose sensitive information through a physical attack. An out-of-bounds read occurs when the software reads data past the end of the intended buffer, potentially exposing memory contents.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2026-49794

Affected Products

Windows

Windows Usb Audio Class Driver

References · 5

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-49794 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49794 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-49794 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-49794 · Security Note
• https://t.me/cveNotify/212130 · Telegram Post