What is CVE-2025-54105?

CVE-2025-54105 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-2025-54105 cover?

CVE-2025-54105 covers the following CVE IDs: CVE-2025-54105. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-54105?

CVE-2025-54105 has a CVSS v3 base score of 7.0, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-54105?

CVE-2025-54105 affects 5 products, including: Windows 11 Version 24H2 for ARM64-based Systems; Windows 11 Version 24H2 for x64-based Systems; Windows Server 2022, 23H2 Edition (Server Core installation); Windows Server 2025; Windows Server 2025 (Server Core installation).

CVE-2025-54105HighCVSS 7.0

Microsoft Brokering File System Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

June 3, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2025-54105 →

📋 Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

🎯 Affected products5

Windows 11 Version 24H2 for ARM64-based Systems
Windows 11 Version 24H2 for x64-based Systems
Windows Server 2022, 23H2 Edition (Server Core installation)
Windows Server 2025
Windows Server 2025 (Server Core installation)

✅ Remediation

KB5065426 (Security Update) — fixed build 10.0.26100.6584 KB5065474 (SecurityHotpatchUpdate) — fixed build 10.0.26100.6508 KB5065425 (Security Update) — fixed build 10.0.25398.1849 KB5065474 (Security Hotpatch Update) — fixed build 10.0.26100.6508

🔗 References (7)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54105
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5065426
referencehttps://support.microsoft.com/help/5065426
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5065474
referencehttps://support.microsoft.com/help/5065474
patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5065425
referencehttps://support.microsoft.com/help/5065425