Vulnerability DatabaseCVE-2025-21391

CVE-2025-21391:
vulnerability analysis and mitigation

Overview

Windows Storage Elevation of Privilege Vulnerability (CVE-2025-21391) was disclosed on February 11, 2025. This vulnerability affects Microsoft Windows Storage components and was confirmed to be exploited in the wild. The vulnerability has been assigned a CVSSv3 score of 7.1 and is rated as important (NVD, Tenable).

Technical details

The vulnerability is classified as an Elevation of Privilege (EoP) vulnerability with a CVSSv3 score of 7.1 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H). It requires local authentication for exploitation. The vulnerability is related to improper link resolution before file access (CWE-59) (NVD).

Impact

When exploited, this vulnerability allows an authenticated attacker to delete files from a system. According to Microsoft, while the vulnerability does not disclose confidential information to an attacker, it provides them with the capability to delete data, which may result in service disruption (Tenable).

Mitigation and workarounds

Microsoft has released patches as part of the February 2025 Patch Tuesday updates. Organizations are strongly advised to apply the security updates immediately to address this vulnerability (Tenable).

Additional resources

Source: This report was generated using AI

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