Microsoft Windows Storage Link Following Vulnerability

Technical Severity

CVSS v3.1 Metrics

HIGH

7.1 / 10

Minimal Risk Critical

Vector Specification

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

Exploitation Likelihood

EPSS Prediction

2.18 %

Predictive Probability

Percentile Rank

84.0 th

Documented as more likely to be exploited than 84.0% of known CVEs.

Detection Date

Feb 11, 2025

Remediation Due

Mar 04, 2025

CISA Catalog Active

Threat Analysis

Microsoft Windows Storage contains a link following vulnerability that could allow for privilege escalation. This vulnerability could allow an attacker to delete data including data that results in the service being unavailable.

Remediation Directive

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

Asset Context

Vendor Identity

Microsoft

Affected Product

Windows

Ransomware Status

Campaign Use Unknown

Weakness Classification

CWE-59

External Intelligence

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21391

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2025-21391