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PatchSiren cyber security CVE debrief

CVE-2026-69286 Microsoft CVE debrief

An out-of-bounds read vulnerability exists in the Windows USB Audio Class driver (usbaudio.sys), which allows an authorized attacker to disclose information locally. The vulnerability has a CVSS score of 5.5 and a severity of MEDIUM. Microsoft has released a patch for this vulnerability. Affected systems include various versions of Windows 10, Windows 11, and Windows Server. System administrators and security teams should assess exposure, prioritize patching, and verify system configurations. The CVE record and NVD vulnerability detail provide information on the vulnerability, its CVSS score, and affected systems.

Vendor
Microsoft
Product
Windows 10 Version 1607
CVSS
MEDIUM 5.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-08
Original CVE updated
2026-09-16
Advisory published
2026-09-08
Advisory updated
2026-09-16

Who should care

System administrators and security teams responsible for Windows systems, especially those with exposed USB Audio Class drivers, should assess exposure and apply patches or mitigations.

Why it matters

CVE-2026-69286 is a MEDIUM-severity vulnerability in the Windows USB Audio Class driver that allows local information disclosure. System administrators and security teams should assess exposure, prioritize patching, and verify system configurations.

  • Local information disclosure is possible, requiring verification of system configurations and patch application.
  • System administrators must assess exposure and prioritize patching of vulnerable systems.

Technical summary

The vulnerability exists in the Windows USB Audio Class driver (usbaudio.sys) and allows an authorized attacker to disclose information locally. The vulnerability has a CVSS score of 5.5 and a severity of MEDIUM. Affected systems include various versions of Windows 10, Windows 11, and Windows Server.

Defensive priority

Apply patches or mitigations to vulnerable systems, especially those with exposed USB Audio Class drivers.

Recommended defensive actions

  • Apply patches or mitigations to vulnerable systems, especially those with exposed USB Audio Class drivers.
  • Inventory and assess exposure of systems with USB Audio Class drivers.
  • Verify patch application and system configuration.

Evidence notes

The CVE record and NVD vulnerability detail provide information on the vulnerability, its CVSS score, and affected systems. Microsoft has released a patch for this vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-69286 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-69286

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-69286 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-69286

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.