CVE-2025-48815: 
vulnerability analysis and mitigation

A type confusion vulnerability (CVE-2025-48815) was discovered in the Windows SSDP (Simple Search and Discovery Protocol) Service. The vulnerability was disclosed on July 8, 2025, and affects multiple versions of Microsoft Windows operating systems. This security flaw allows an authorized attacker to perform privilege elevation attacks locally (NVD).

The vulnerability is classified as CWE-843 (Access of Resource Using Incompatible Type), commonly known as 'type confusion'. Microsoft has assigned this vulnerability a CVSS v3.1 Base Score of 7.8 (HIGH) with the following vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. This scoring indicates that the vulnerability requires local access, low attack complexity, low privileges, and no user interaction, while potentially impacting confidentiality, integrity, and availability at high levels (NVD).

The vulnerability affects multiple Windows versions, including Windows Server 2008, 2012, 2016, 2019, 2022, Windows 10, and Windows 11 versions. If successfully exploited, the vulnerability allows an authorized attacker with local access to elevate their privileges on the affected system (NVD).

Microsoft has released security updates to address this vulnerability. The fixes are available for affected versions including Windows Server 2008 through 2025, Windows 10 versions 1507 through 22H2, and Windows 11 versions 22H2 through 24H2. Users are advised to update their systems to the latest available versions (NVD).