VULNERABILITY INTELLIGENCE

CVE-2026-42904

CVSS score9.6 CRITICAL
EPSS probability0.44%
CISA KEVNot currently listed
Published2026-06-09
Last modified2026-07-23
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Description

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

Weakness classification

  • secure@microsoft.com: CWE-122

Primary references