What is CVE-2026-32219?

CVE-2026-32219 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft Brokering File System Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2026-32219 cover?

CVE-2026-32219 covers the following CVE IDs: CVE-2026-32219. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-32219?

CVE-2026-32219 has a CVSS v3 base score of 7.0, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-32219?

CVE-2026-32219 affects 8 products, including: Windows 11 Version 24H2 for ARM64-based Systems; Windows 11 Version 24H2 for x64-based Systems; Windows 11 Version 25H2 for ARM64-based Systems; Windows 11 Version 25H2 for x64-based Systems; Windows 11 Version 26H1 for ARM64-based Systems; and others — see the full list on the advisory page.

CVE-2026-32219HighCVSS 7.0

Microsoft Brokering File System Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-32219 →

📋 Description

Double free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

🎯 Affected products8

Windows 11 Version 24H2 for ARM64-based Systems
Windows 11 Version 24H2 for x64-based Systems
Windows 11 Version 25H2 for ARM64-based Systems
Windows 11 Version 25H2 for x64-based Systems
Windows 11 Version 26H1 for ARM64-based Systems
Windows 11 version 26H1 for x64-based Systems
Windows Server 2025
Windows Server 2025 (Server Core installation)

✅ Remediation

KB5082063 (Security Update) — fixed build 10.0.26100.32690 KB5083769 (Security Update) — fixed build 10.0.26200.8246 KB5083769 (Security Update) — fixed build 10.0.26100.8246 KB5083768 (Security Update) — fixed build 10.0.28000.1836

🔗 References (7)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32219
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5082063
referencehttps://support.microsoft.com/help/5082063
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5083769
referencehttps://support.microsoft.com/help/5083769
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5083768
referencehttps://support.microsoft.com/help/5083768