Findings

CVE-2025-24985

Microsoft Windows Fast FAT File System Driver Integer Overflow Vulnerability

Published Mar 11, 2025 · updated Jun 17, 2026 · microsoft windows 10 1507

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

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 11, 2025 · Catalog

    Detected

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

  2. Mar 11, 2025 · CISA KEV

    Known exploited

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

  3. Apr 1, 2025 · CISA KEV

    Remediation due

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

  4. Jun 17, 2026 · Catalog

    Updated

    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.

CISA due date Apr 1, 2025

Affected

  • cpe microsoft/windows 10 1507version unspecified
  • cpe microsoft/windows 10 1607version unspecified
  • cpe microsoft/windows 10 1809version unspecified
  • cpe microsoft/windows 10 21h2version unspecified
  • cpe microsoft/windows 10 22h2version unspecified
  • vendor Microsoft Windowsversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2025-24985

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

    cisa.gov
  • CVE.orgVulnerability recordCVE-2025-24985

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-24985

    30-day exploitation probability 3.9%

    first.org
  • NIST NVDVulnerability recordCVE-2025-24985

    Integer overflow or wraparound in Windows Fast FAT Driver allows an unauthorized attacker to execute code locally.

    nvd.nist.gov

References

CVE-2025-24985 · ZeroDay Findings