CVE Watch—

CVE-2025-24985

Microsoft Windows Fast FAT File System Driver Integer Overflow Vulnerability

CVSS

—

No CVSS

EPSS

3.7%

p89

KEV

YES

Mar 11, 2025

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

3.7%EPSS · 30 days3.7%

2026-06-302026-07-17

KEV catalog record

Product

Microsoft / Windows

Vulnerability

Microsoft Windows Fast FAT File System Driver Integer Overflow Vulnerability

Added to KEV

Mar 11, 2025

Remediate by

Apr 1, 2025

Known ransomware use

Summary description

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

Required action

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

Notes

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-24985 ; https://nvd.nist.gov/vuln/detail/CVE-2025-24985

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