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CVE-2026-69381 Microsoft CVE debrief

A CVE record for an out-of-bounds read vulnerability in Windows Storage Port Driver was published on 2026-09-08T18:18:58.930Z and last modified on 2026-09-21T14:56:21.427Z. The vulnerability allows an unauthorized attacker to disclose information with a physical attack. Microsoft has provided a patch for this vulnerability. System administrators and security teams should assess exposure and apply patches to prevent information disclosure. The CVE record and NVD vulnerability detail provide information about the out-of-bounds read vulnerability in Windows Storage Port Driver.

Vendor
Microsoft
Product
Windows 10 Version 1607
CVSS
MEDIUM 4.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-08
Original CVE updated
2026-09-21
Advisory published
2026-09-08
Advisory updated
2026-09-21

Who should care

System administrators and security teams responsible for Windows systems should assess exposure and apply patches to prevent information disclosure.

Why it matters

CVE-2026-69381 is an out-of-bounds read vulnerability in Windows Storage Port Driver that requires patching to prevent information disclosure with a physical attack. System administrators and security teams should assess exposure and apply patches.

  • Potential information disclosure with a physical attack
  • Need to verify system configurations and update Windows Storage Port Driver
  • Possible monitoring of system logs for potential attacks

Technical summary

The CVE-2026-69381 vulnerability is an out-of-bounds read issue in Windows Storage Port Driver that allows an unauthorized attacker to disclose information with a physical attack. The vulnerability has a CVSS score of 4.6 and is classified as MEDIUM severity.

Defensive priority

Apply patches for Windows Storage Port Driver to prevent information disclosure

Recommended defensive actions

  • Apply patches for Windows Storage Port Driver
  • Verify system configurations and update Windows Storage Port Driver
  • Monitor system logs for potential attacks

Evidence notes

The CVE record and NVD vulnerability detail provide information about the out-of-bounds read vulnerability in Windows Storage Port Driver. Microsoft has provided a patch for this vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-69381 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-69381

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

  • CVE-2026-69381 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-69381

    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.