CVE-2025-32701: 
vulnerability analysis and mitigation

CVE-2025-32701 is a Use-After-Free vulnerability in the Windows Common Log File System (CLFS) Driver that was discovered and disclosed on May 13, 2025. The vulnerability affects various Microsoft Windows systems and was actively exploited in the wild as a zero-day. This security flaw was assigned a CVSSv3 base score of 7.8 (HIGH) (NVD, Tenable Blog).

The vulnerability is classified as a Use-After-Free (CWE-416) issue in the Windows Common Log File System Driver. It has been assigned a CVSS vector of CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, indicating local access requirements with low attack complexity and requiring low privileges. The vulnerability requires no user interaction and can potentially impact confidentiality, integrity, and availability with high severity (NVD).

Successful exploitation of this vulnerability allows an authorized attacker to elevate privileges locally on the affected system. This represents a significant security risk as it enables attackers to gain administrator-level access to compromised systems (NVD, Tenable Blog).

Microsoft has released patches for this vulnerability as part of their May 2025 Patch Tuesday update. CISA has added this vulnerability to its Known Exploited Vulnerabilities Catalog with a due date of June 3, 2025, requiring Federal Civilian Executive Branch agencies to apply vendor patches. Organizations are strongly urged to prioritize timely remediation of this vulnerability as part of their vulnerability management practice (CISA Alert).