CVE-2025-21391highunder attackCWE-59

CVE-2025-21391: high-severity vulnerability in Microsoft Windows 10 Version 1507

Windows Storage Elevation of Privilege Vulnerability

Published · Updated

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51Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA.

ssvc Actcvss 7.1epss 2.3%
from disclosure to weapon
Published on NVDFeb 11
CISA KEVFeb 11
Action required by CISAfederal deadline: 2025-03-04

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

In short

A flaw in Windows Storage allows an attacker with local access to gain higher-level permissions on the system. This is dangerous because it enables unauthorized access to sensitive files and system functions.

Technical detail

An elevation of privilege vulnerability in Windows Storage via an insecure link or directory handling mechanism (CWE-59). An authenticated local attacker can exploit this to execute code or access resources with elevated privileges; exploitation requires prior local access to the affected system.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

Windows Storage Elevation of Privilege Vulnerability
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:F/RL:O/RC:C