7.8
High
Exploited
CVE-2025-24985 Microsoft Windows Fast FAT File System Driver Integer Overflow Vulnerability
Active exploitation observed
· CISA KEV catalogue
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.
Ransomware campaigns
Not observed so far
Weakness
CWE-122, CWE-190
Description
Integer overflow or wraparound in Windows Fast FAT Driver allows an unauthorized attacker to execute code locally.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 Version 1809 10.0 | 10.0.17763.0 → < 10.0.17763.7009 | 10.0.17763.7009 |
| Windows Server 2019 10.0 | 10.0.17763.0 → < 10.0.17763.7009 | 10.0.17763.7009 |
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.17763.0 → < 10.0.17763.7009 | 10.0.17763.7009 |
| Windows Server 2022 10.0 | 10.0.20348.0 → < 10.0.20348.3328 | 10.0.20348.3328 |
| Windows 10 Version 21H2 10.0 | 10.0.19044.0 → < 10.0.19044.5608 | 10.0.19044.5608 |
| Windows 11 version 22H2 10.0 | 10.0.22621.0 → < 10.0.22621.5039 | 10.0.22621.5039 |
| Windows 10 Version 22H2 10.0 | 10.0.19045.0 → < 10.0.19045.5608 | 10.0.19045.5608 |
| Windows Server 2025 (Server Core installation) 10.0 | 10.0.26100.0 → < 10.0.26100.3476 | 10.0.26100.3476 |
| Windows 11 version 22H3 10.0 | 10.0.22631.0 → < 10.0.22631.5039 | 10.0.22631.5039 |
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| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 11 Version 23H2 10.0 | 10.0.22631.0 → < 10.0.22631.5039 | 10.0.22631.5039 |
| Windows Server 2022, 23H2 Edition (Server Core installation) 10.0 | 10.0.25398.0 → < 10.0.25398.1486 | 10.0.25398.1486 |
| Windows 11 Version 24H2 10.0 | 10.0.26100.0 → < 10.0.26100.3476 | 10.0.26100.3476 |
| Windows Server 2025 10.0 | 10.0.26100.0 → < 10.0.26100.3476 | 10.0.26100.3476 |
| Windows 10 Version 1507 10.0 | 10.0.10240.0 → < 10.0.10240.20947 | 10.0.10240.20947 |
| Windows 10 Version 1607 10.0 | 10.0.14393.0 → < 10.0.14393.7876 | 10.0.14393.7876 |
| Windows Server 2016 10.0 | 10.0.14393.0 → < 10.0.14393.7876 | 10.0.14393.7876 |
| Windows Server 2016 (Server Core installation) 10.0 | 10.0.14393.0 → < 10.0.14393.7876 | 10.0.14393.7876 |
| Windows Server 2008 Service Pack 2 6.0 | 6.0.6003.0 → < 6.0.6003.23168 | 6.0.6003.23168 |
| Windows Server 2008 Service Pack 2 (Server Core installation) 6.0 | 6.0.6003.0 → < 6.0.6003.23168 | 6.0.6003.23168 |
| Windows Server 2008 Service Pack 2 6.0 | 6.0.6003.0 → < 6.0.6003.23168 | 6.0.6003.23168 |
| Windows Server 2008 R2 Service Pack 1 6.1 | 6.1.7601.0 → < 6.1.7601.27618 | 6.1.7601.27618 |
| Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1 | 6.1.7601.0 → < 6.1.7601.27618 | 6.1.7601.27618 |
| Windows Server 2012 6.2 | 6.2.9200.0 → < 6.2.9200.25368 | 6.2.9200.25368 |
| Windows Server 2012 (Server Core installation) 6.2 | 6.2.9200.0 → < 6.2.9200.25368 | 6.2.9200.25368 |
| Windows Server 2012 R2 6.3 | 6.3.9600.0 → < 6.3.9600.22470 | 6.3.9600.22470 |
| Windows Server 2012 R2 (Server Core installation) 6.3 | 6.3.9600.0 → < 6.3.9600.22470 | 6.3.9600.22470 |
References
- Windows Fast FAT File System Driver Remote Code Execution Vulnerability msrc.microsoft.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
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