CVE-2025-21409HIGH 8.8EPSS p60.4%

CVE-2025-21409CVE-2025-21409

Description

Windows Telephony Service Remote Code Execution Vulnerability

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS1.07% probability of exploitation · percentile 60.4% · 2026-06-18T12:00:27Z
Published2025-01-14
Last modified2025-01-16

Underlying weaknesses· 1

CWE-122

References

  1. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21409

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.