CVE-2025-53802: 
vulnerability analysis and mitigation

Use after free vulnerability (CVE-2025-53802) in Windows Bluetooth Service was disclosed on September 9, 2025. The vulnerability affects multiple Windows versions including Windows Server 2022, Windows 10 Version 21H2, Windows 11 version 22H2, Windows 10 Version 22H2, Windows Server 2025, Windows 11 version 22H3, and Windows 11 Version 23H2. This vulnerability has been assigned CWE-416 (Use After Free) classification (NVD).

The vulnerability has been assigned a CVSS v3.1 base score of 7.0 (HIGH) with the following vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H. The attack requires local access, has high attack complexity, needs low privileges, and requires no user interaction. The impact affects confidentiality, integrity, and availability, all rated as high (NVD).

If successfully exploited, this vulnerability allows an authorized attacker to elevate privileges locally on the affected system. This could potentially lead to complete system compromise, as the attacker could gain elevated access to system resources (Microsoft).

Microsoft has released security updates to address this vulnerability as part of their September 2025 Patch Tuesday updates. System administrators are advised to apply the relevant security updates to affected systems (Rapid7).