CVE-2025-21391 HIGH

CVE-2025-21391: Windows Storage Elevation of Privilege Vulnerability

Vendor Microsoft
Product Windows 10 Version 1507
Weakness CWE-59
KEV Status Known Exploited
Published February 11, 2025
Last update February 26, 2026
View on NVD All CVEs

CVSS base score

7.1/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Windows Storage Elevation of Privilege Vulnerability

CISA mandated remediation

02CISA Required Action

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

Key dates

03Disclosure timeline

February 11, 2025 CVE published
February 26, 2026 Record updated