CVE-2025-24985 — Microsoft Windows Fast FAT File System Driver Integer Overflow Vulnerability
CVE-2025-24985: Microsoft Windows Fast FAT File System Driver Integer Overflow Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Microsoft |
| Product | Windows |
| Date added | 2025-03-11 |
| Due date | 2025-04-01 |
| Ransomware campaign use | Unknown |
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 (CISA)
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
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-24985
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog