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Microsoft Security Response CenterCVE-2026-44814

Windows DWM Core Library Information Disclosure Vulnerability

HighVendor CVSS 5.5 / 10 1 CVE Published Jun 9, 2026 at 7:00 AM UTC

Summary

Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.

Products covered

  • Windows 11 version 26H1 for x64-based Systems

  • Windows 11 Version 26H1 for ARM64-based Systems

Remediation

Install KB5095051.

Vendor-listed fixes

  • 10.0.28000.2269

CVEs in this advisory 1

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.