CVE-2025-54105
published 2025-09-09CVE-2025-54105: Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Brokering File System allows an authorized attacker to…
PriorityP335high7CVSS 3.1
AVLACHPRLUINSUCHIHAH
EPSS
0.26%
17.9th percentile
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_11_24h2 | < 10.0.26100.6508 | 10.0.26100.6508 |
| microsoft | windows_11_version_24h2 | >= 10.0.26100.0 < 10.0.26100.6584 | 10.0.26100.6584 |
| microsoft | windows_server_2022_23h2 | < 10.0.25398.1849 | 10.0.25398.1849 |
| microsoft | windows_server_2025 | < 10.0.26100.6508 | 10.0.26100.6508 |
| microsoft | windows_server_2025 | >= 10.0.26100.0 < 10.0.26100.6584 | 10.0.26100.6584 |
| msrc | windows_11_version_24h2_for_arm64-based_systems | — | — |
| msrc | windows_11_version_24h2_for_x64-based_systems | — | — |
| msrc | windows_server_2022_23h2_edition | — | — |
| msrc | windows_server_2025 | — | — |
CVSS provenance
nvdv3.17.0HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
vendor_msrc7.0HIGH
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-3x36-37r9-m92p: Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Brokering File System allows an authorized at
ghsa_unreviewed·2025-09-09
CVE-2025-54105 [HIGH] CWE-362 GHSA-3x36-37r9-m92p: Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Brokering File System allows an authorized at
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
Microsoft
Microsoft Brokering File System Elevation of Privilege Vulnerability
vendor_msrc·2025-09-09·CVSS 7.0
CVE-2025-54105 [HIGH] CWE-362 Microsoft Brokering File System Elevation of Privilege Vulnerability
Microsoft Brokering File System Elevation of Privilege Vulnerability
Description: Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
FAQ: According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires an attacker to win a race condition.
FAQ: What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
Microsoft Brokering File System: Microsoft Brokering File System
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Ele
No detection rules found.
No public exploits indexed.
2025-09-09
Published