CVE-2025-24985
Integer overflow or wraparound in Windows Fast FAT Driver allows an unauthorized attacker to execute code locally.
- Score
- CVSS 3.1 7.8 High
- Status
- Analyzed - secure@microsoft.com
- Published
- 2025-03-11
- Last modified
- 2026-02-26
- Known exploited (CISA KEV)
- since 2025-03-11, action due 2025-04-01: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Weaknesses
- CWE-122, CWE-190
Affected products
- Windows 10 1507 (Microsoft)
- Windows 10 1607 (Microsoft)
- Windows 10 1809 (Microsoft)
- Windows 10 21H2 (Microsoft)
- Windows 10 21h2 (Microsoft)
- Windows 10 22H2 (Microsoft)
- Windows 10 22h2 (Microsoft)
- Windows 11 22H2 (Microsoft)
- Windows 11 22h2 (Microsoft)
- Windows 11 23H2 (Microsoft)
- Windows 11 23h2 (Microsoft)
- Windows 11 24H2 (Microsoft)
- Windows 11 24h2 (Microsoft)
- Windows Server 2008 (Microsoft)
- Windows Server 2008 R2 (Microsoft)
- Windows Server 2008 Sp2 (Microsoft)
- Windows Server 2012 (Microsoft)
- Windows Server 2012 R2 (Microsoft)
- Windows Server 2016 (Microsoft)
- Windows Server 2019 (Microsoft)
- Windows Server 2022 (Microsoft)
- Windows Server 2022 23h2 (Microsoft)
- Windows Server 2025 (Microsoft)
- Windows Server 23h2 (Microsoft)
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24985
- https://www.vicarius.io/vsociety/posts/cve-2025-24985-integer-overflow-vulnerability-in-microsoft-windows-fast-fat-driv…
- https://www.vicarius.io/vsociety/posts/cve-2025-24985-integer-overflow-vulnerability-in-microsoft-windows-fast-fat-driv…
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24985
