CVE-2025-48806: 
vulnerability analysis and mitigation

A use-after-free vulnerability was discovered in Microsoft MPEG-2 Video Extension, identified as CVE-2025-48806. The vulnerability was initially reported on July 8, 2025, and affects various versions of Microsoft Windows Server and Windows operating systems. This security flaw allows an authorized attacker with local access to execute arbitrary code (NVD, CVE Mitre).

The vulnerability is classified as CWE-416 (Use After Free) and has received 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 indicates that the vulnerability requires local access, low attack complexity, low privileges, and no user interaction, while potentially impacting confidentiality, integrity, and availability (NVD).

If successfully exploited, this vulnerability allows an authorized attacker with local access to execute arbitrary code on the affected system. The high CVSS score indicates severe potential impacts on system confidentiality, integrity, and availability (NVD).

Microsoft has identified affected systems including Windows Server 2008 through 2025 and Windows 10/11 versions. Updates are available for affected systems with specific version requirements: Windows 10 versions up to 10.0.26100.4652, Windows 11 versions up to 10.0.22631.5624, and Windows Server versions up to 10.0.25398.1732 (NVD).