[ CVE-2025-24985 · Published 11 Mar 2025 ]
Microsoft Windows Fast FAT File System Driver Integer Overflow Vulnerability
Exploited · CISA KEV CVSS 7.8
EPSS 4%Fix available
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2025-03-11
[ Description ]Official description
Integer overflow or wraparound in Windows Fast FAT Driver allows an unauthorized attacker to execute code locally.
CISA: Microsoft Windows Fast FAT File System Driver contains an integer overflow or wraparound vulnerability that allows an unauthorized attacker to execute code locally.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 1 Apr 2025): Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Patch on msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
[ References ]References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24985PatchVendor Advisory
- www.vicarius.io/vsociety/posts/cve-2025-24985-integer-overflow-vulnerability-in-microso…ExploitThird Party Advisory
- www.vicarius.io/vsociety/posts/cve-2025-24985-integer-overflow-vulnerability-in-microso…MitigationThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource