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Microsoft Security Response CenterCVE-2026-34350

Windows Storport Miniport Driver Denial of Service Vulnerability

Null pointer dereference in Windows Storport Miniport Driver allows an unauthorized attacker to deny service over a network.

Read the vendor bulletin Get alerts for Windows Server 2025 (Server Core installation)
6.5CVSS out of 10High severity
Scope

What the vendor says is affected

  • Windows Server 2025 (Server Core installation)
  • Windows Server 2025

Versions the vendor lists as fixed

  • 10.0.26100.32860
  • 10.0.26100.32772
Next step

What the vendor recommends

Install KB5087539. Install KB5087423.

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2026-34350View CVSS, KEV, EPSS, and threat context
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