CVE-2025-62456HIGH 8.8EPSS p64.6%

CVE-2025-62456CVE-2025-62456

microsoft / windows_11_23h2

Description

Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to execute code over a network.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS1.10% probability of exploitation · percentile 64.6% · 2026-10-05T12:00:23Z
Published2025-12-09
Last modified2026-09-30

Underlying weaknesses· 1

CWE-122

References

  1. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62456

1

TypeTargetConfidenceTier
WeaknessHeap-based Buffer Overflowcwe-1220%live

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