Actively exploited in the wild
Microsoft Windows Fast FAT File System Driver Integer Overflow Vulnerability
Microsoft - Windows · Listed in the CISA KEV since 2025-03-11. This indicates confirmed attacks in production environments.
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.
CVE-2025-24985
HighCVSS 7.8KEVSummary
Integer overflow or wraparound in Windows Fast FAT Driver allows an unauthorized attacker to execute code locally.
Risk Assessment
An attacker could execute arbitrary code in the context of the local user, potentially leading to system compromise.
Recommendation
Apply the latest Windows security updates that address this vulnerability.
Other vulnerabilities in Windows Fast FAT Driver
See all- CVE-2026-85826High
Out-of-bounds write in Windows Fast FAT Driver allows an authorized attacker to elevate privileges locally.
- CVE-2026-70277Medium
Out-of-bounds read in Windows Fast FAT Driver allows an unauthorized attacker to disclose information locally.
- CVE-2026-69347High
Heap-based buffer overflow in Windows Fast FAT Driver allows an unauthorized attacker to execute code locally.
- CVE-2026-68878High
Stack-based buffer overflow in Windows Fast FAT Driver allows an authorized attacker to elevate privileges over a network.
Original NVD description (English source)
Integer overflow or wraparound in Windows Fast FAT Driver allows an unauthorized attacker to execute code locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS