CVE-2025-24985HIGH 7.8CISA KEVEPSS p88.3%

CVE-2025-24985Microsoft Windows Fast FAT File System Driver Integer Overflow Vulnerability

Microsoft / Windows

Description

Microsoft Windows Fast FAT File System Driver contains an integer overflow or wraparound vulnerability that allows an unauthorized attacker to execute code locally.

Scoring

CVSS 3.17.8 (HIGH)
VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS3.71% probability of exploitation · percentile 88.3% · 2026-06-19T12:03:05Z
Published2025-03-11
Last modified2025-10-27

CISA KEV entry

Added to KEV: 2025-03-11

Underlying weaknesses· 2

CWE-122CWE-190

References

  1. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24985
  2. https://www.vicarius.io/vsociety/posts/cve-2025-24985-integer-overflow-vulnerability-in-microsoft-windows-fast-fat-driver-detection-script
  3. https://www.vicarius.io/vsociety/posts/cve-2025-24985-integer-overflow-vulnerability-in-microsoft-windows-fast-fat-driver-mitigation-script
  4. https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24985

2

TypeTargetConfidenceTier
WeaknessHeap-based Buffer Overflowcwe-1220%live
WeaknessInteger Overflow or Wraparoundcwe-1900%live

(incoming)1

TypeTargetConfidenceTier
KEVEntryMicrosoft Windows Fast FAT File System Driver Integer Overflow Vulnerabilitykev-cve-2025-249850%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.