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Microsoft Security Response CenterCVE-2026-32216

Windows Redirected Drive Buffering System Denial of Service Vulnerability

Null pointer dereference in Windows Redirected Drive Buffering allows an authorized attacker to deny service locally.

Read the vendor bulletin Get alerts for Windows
5.5CVSS out of 10High severity
Scope

What the vendor says is affected

  • Windows 11 Version 26H1 for ARM64-based Systems
  • Windows 11 version 26H1 for x64-based Systems

Versions the vendor lists as fixed

  • 10.0.28000.1836
Next step

What the vendor recommends

Install KB5083768.

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-2026-32216View CVSS, KEV, EPSS, and threat context
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