High 7.0Published Sep 9, 2025

CVE-2025-54105Microsoft Brokering File System Elevation of Privilege Vulnerability

Updated under an hour ago (Oct 28, 2026, 4:50 AM ET)

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It affects Microsoft Windows 11 Version 24H2 and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Microsoft Windows 11 Version 24H2

Exploited in the last 30 days

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

CVSS: 7.0 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Weakness (CWE): CWE-362, CWE-416
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: microsoft
NVD analysis: Analyzed
Record last updated: Feb 26, 2026
First seen by InfoSec Signals: Oct 18, 2026

Affected products

Affected products

Microsoft Windows 11 Version 24H2 microsoft:windows_11_24h2	from 10.0.26100.0 before 10.0.26100.6584	CNA record
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) microsoft:windows_server_2022_23h2	from 10.0.25398.0 before 10.0.25398.1849	CNA record
Microsoft Windows Server 2025 microsoft:windows_server_2025 (from the name)	from 10.0.26100.0 before 10.0.26100.6584	CNA record
microsoft windows_11_24h2 microsoft:windows_11_24h2	before 10.0.26100.6508	NVD
microsoft windows_server_2022_23h2 microsoft:windows_server_2022_23h2	before 10.0.25398.1849	NVD
microsoft windows_server_2025 microsoft:windows_server_2025	before 10.0.26100.6508	NVD

References

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54105	vendor-advisory, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.