Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2025-48004
CVE-2025-48004:
vulnerability analysis and mitigation
Overview
A use-after-free vulnerability was discovered in Microsoft Brokering File System (CVE-2025-48004), which was disclosed on October 14, 2025. This security flaw affects multiple versions of Microsoft Windows, including Windows Server 2022, Windows Server 2025, and various Windows 11 releases. The vulnerability allows an unauthorized attacker to elevate privileges locally (NVD).
Technical details
The vulnerability is classified as CWE-416 (Use After Free) and has received a CVSS v3.1 base score of 7.0 (HIGH) from NIST and 7.4 (HIGH) from Microsoft. The CVSS vector string from NIST is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H, indicating local access, high attack complexity, low privileges required, no user interaction, and high impact on confidentiality, integrity, and availability (NVD).
Impact
The vulnerability affects multiple Windows versions including Windows Server 2022 23h2 (up to version 10.0.25398.1913), Windows Server 2025 (up to version 10.0.26100.6899), Windows 11 22h2 (up to version 10.0.22621.6060), Windows 11 23h2 (up to version 10.0.22631.6060), Windows 11 24h2 (up to version 10.0.26100.6899), and Windows 11 25h2 (up to version 10.0.26200.6899) (NVD).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability as part of their October 2025 Patch Tuesday updates. Users and administrators of affected systems are advised to apply the latest security updates (ASEC).
Additional resources
Source: This report was generated using AI
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