CVE-2026-40415HIGH 8.1EPSS p51.4%

CVE-2026-40415CVE-2026-40415

Description

Use after free in Windows TCP/IP allows an unauthorized attacker to execute code over a network.

Scoring

CVSS 3.18.1 (HIGH)
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.79% probability of exploitation · percentile 51.4% · 2026-06-19T12:03:05Z
Published2026-05-12
Last modified2026-05-15

Underlying weaknesses· 1

CWE-416

References

  1. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40415

1

TypeTargetConfidenceTier
WeaknessUse After Freecwe-4160%live

Related by meaning· 6

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

CVE
CVE-2026-45657
CVE
CVE-2025-50177
CVE
CVE-2026-32157
CVE
CVE-2025-32710
CVE
CVE-2026-34332
CVE
CVE-2026-45596
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.