CVE-2025-29970: 
vulnerability analysis and mitigation

A use-after-free vulnerability (CVE-2025-29970) was discovered in the Microsoft Brokering File System. The vulnerability was disclosed on May 13, 2025, affecting multiple Microsoft Windows systems including Windows Server 2022 23h2, Windows Server 2025, and Windows 11 24h2 versions (NVD, Wiz).

The vulnerability has been classified as CWE-416 (Use After Free) with a CVSS v3.1 base score of 7.8 (HIGH). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, indicating that the vulnerability requires local access with low attack complexity, needs low privileges, and requires no user interaction (NVD, Wiz).

When successfully exploited, this vulnerability can lead to complete compromise of system confidentiality, integrity, and availability within the scope of the affected component. The primary impact allows an authorized attacker to elevate their privileges on the local system, potentially gaining higher levels of access to system resources (NVD, Wiz).

Microsoft has released security updates to address this vulnerability as part of their May 2025 Patch Tuesday updates. Organizations and users are strongly advised to apply the security updates immediately through Windows Update or enterprise management tools to protect against potential exploitation (Wiz).