CVE-2026-42904EPSS p36.1%

CVE-2026-42904CVE-2026-42904

microsoft / windows_10_21h2

Description

Heap-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to elevate privileges over an adjacent network.

Scoring

CVSS 9.6 ()
VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS0.44% probability of exploitation · percentile 36.1% · 2026-08-03T12:00:16Z
Last modified2026-07-23

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