Microsoft Windows Fast FAT File System Driver Integer Overflow Vulnerability

Technical Severity

CVSS v3.1 Metrics

HIGH

7.8 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

Exploitation Likelihood

EPSS Prediction

1.09 %

Predictive Probability

Percentile Rank

77.8 th

Documented as more likely to be exploited than 77.8% of known CVEs.

Detection Date

Mar 11, 2025

Remediation Due

Apr 01, 2025

CISA Catalog Active

Threat Analysis

Microsoft Windows Fast FAT File System Driver contains an integer overflow or wraparound vulnerability that allows an unauthorized attacker to execute code locally.

Remediation Directive

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

External Intelligence

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-24985

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2025-24985