CVE-2025-21391
HIGH
2025-02-11
[email protected]
7.1
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
Lifecycle Timeline
4
Analysis Generated
Mar 28, 2026 - 18:26 vuln.today
Patch Released
Mar 28, 2026 - 18:26 nvd
Patch available
Added to CISA KEV
Oct 27, 2025 - 17:13 cisa
CISA KEV
CVE Published
Feb 11, 2025 - 18:15 nvd
HIGH 7.1
Tags
Description
Windows Storage Elevation of Privilege Vulnerability
Analysis
Windows Storage contains an elevation of privilege vulnerability through symlink following that allows authorized attackers to delete targeted files, enabling privilege escalation.
Technical Context
The CWE-59 improper link resolution allows a local attacker to create symbolic links that redirect Windows Storage operations to delete files in privileged locations. By targeting specific system files, the attacker can create conditions for privilege escalation.
Affected Products
['Microsoft Windows (Storage component)']
Remediation
Apply Microsoft security update. Monitor for suspicious symlink creation in user-writable directories.
Priority Score
91
Low
Medium
High
Critical
KEV: +50
EPSS: +5.6
CVSS: +36
POC: 0
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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