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PatchSiren cyber security CVE debrief

CVE-2026-69895 Microsoft CVE debrief

An out-of-bounds read vulnerability exists in the Windows Spaceport.sys driver, allowing an authorized local attacker to disclose sensitive information. The vulnerability has a CVSS score of 4.7 and is classified as MEDIUM severity. Microsoft has released a patch for this vulnerability. Affected systems include various versions of Windows 10, Windows 11, and Windows Server. Windows administrators and security teams should assess exposure and apply the patch to prevent potential information disclosure. The CVE record and NVD detail page provide information on the vulnerability, its severity, and affected systems.

Vendor
Microsoft
Product
Windows 10 Version 1607
CVSS
MEDIUM 4.7
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

Windows administrators and security teams responsible for maintaining Windows systems should assess exposure and apply the patch. This vulnerability requires attention from roles responsible for system patching and vulnerability management.

Why it matters

CVE-2026-69895 is a MEDIUM-severity vulnerability in Windows Spaceport.sys that allows local information disclosure. Windows administrators should apply the patch and verify patch application to prevent potential information disclosure.

  • Local information disclosure possible for authorized attackers
  • Patching required to prevent potential information disclosure
  • Verification of patch application necessary for Windows systems

Technical summary

The vulnerability exists in the Windows Spaceport.sys driver and allows an authorized local attacker to disclose sensitive information. The vulnerability has a CVSS score of 4.7 and is classified as MEDIUM severity. Affected systems include various versions of Windows 10, Windows 11, and Windows Server.

Defensive priority

Medium priority for Windows administrators to apply the patch, especially for systems requiring high confidentiality.

Recommended defensive actions

  • Apply the Microsoft patch for CVE-2026-69895
  • Review and update Windows systems to ensure the patch is applied
  • Monitor systems for potential information disclosure

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, its severity, and affected systems. Microsoft has released a vendor advisory and patch for this vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-69895 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-69895

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

  • CVE-2026-69895 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-69895

    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.