01 Record
CVE-2025-24985
Windows Fast FAT File System Driver Remote Code Execution Vulnerability
HighKEVPUBLISHEDCNA: microsoft
CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
02 Description
Windows Fast FAT File System Driver Remote Code Execution Vulnerability
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2025-03-11. Federal remediation due 2025-04-01.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 3.89% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 90.1% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2025-03-11 16:59Z1 YR AGO
- Last updated
- 2026-02-26 19:09Z8 MO AGO
- Reserved
- 2025-01-30
- Assigning CNA
- microsoft
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.8)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
- Weaknesses
- Data version
- 5.2
- Document digest
- 6f594aafa3f509f8b820b1197df7975a586a75a57b0a1f9209ce827d05ec2495
05 Affected products
VendorProductVersionsPlatforms
MicrosoftWindows 10 Version 21H210.0.19044.0 to < 10.0.19044.560832-bit Systems, ARM64-based Systems, x64-based Systems
MicrosoftWindows 10 Version 22H210.0.19045.0 to < 10.0.19045.560832-bit Systems, ARM64-based Systems, x64-based Systems
MicrosoftWindows 11 version 22H210.0.22621.0 to < 10.0.22621.5039ARM64-based Systems, x64-based Systems
MicrosoftWindows 11 Version 24H210.0.26100.0 to < 10.0.26100.3476ARM64-based Systems, x64-based Systems
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0 to < 6.1.7601.27618x64-based Systems
MicrosoftWindows Server 2008 Service Pack 26.0.6003.0 to < 6.0.6003.2316832-bit Systems, x64-based Systems
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0 to < 6.0.6003.2316832-bit Systems, x64-based Systems
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0 to < 6.2.9200.25368x64-based Systems
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0 to < 6.3.9600.22470x64-based Systems
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0 to < 10.0.14393.7876x64-based Systems
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 to < 10.0.17763.7009x64-based Systems
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0 to < 10.0.25398.1486x64-based Systems
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 to < 10.0.26100.3476x64-based Systems
06 References
- msrc.microsoft.comWindows Fast FAT File System Driver Remote Code Execution Vulnerabilityhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24985
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24985
- www.vicarius.iohttps://www.vicarius.io/vsociety/posts/cve-2025-24985-integer-overflow-vulnerability-in-microsoft-windows-fast-fat-driver-mitigation-script
- www.vicarius.iohttps://www.vicarius.io/vsociety/posts/cve-2025-24985-integer-overflow-vulnerability-in-microsoft-windows-fast-fat-driver-detection-script