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CVE-2026-58528: Windows USB Audio Class Driver Information Disclosure Vulnerability

mediumCVSS 6.8CVE-2026-58528
Out-of-bounds read in Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to disclose information with a physical attack.

CSIRTS triage

vendor: Microsoftproduct: Windows USB Audio Class DriverInformation disclosure
What
Out-of-bounds read in Windows USB Audio Class driver allows an unauthorized attacker to disclose information with a physical attack.
Who is affected
Users of Windows with USB Audio Class driver.
Urgency
Remediation is medium urgency due to the potential for information disclosure.
Action
Update Windows to the latest version.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
medium — CVSS 6.8
Published
2026-07-14
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58528

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-58528coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Windows USB Audio

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from Microsoft Security Response Center