CVEvulnerability

CVE-2026-42904

9.6 CRITICAL Published 2026-06-09 Modified 2026-07-23 Official page ↗
Status
Analyzed
Published
2026-06-09
Last modified
2026-07-23
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.6 CRITICAL — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weaknesses
CWE-122

Description

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

Affected configurations

• microsoft windows 10 21h2 (< 10.0.19044.7417) • microsoft windows 10 22h2 (< 10.0.19045.7417) • microsoft windows 11 23h2 (< 10.0.22631.7219) • microsoft windows 11 24h2 (< 10.0.26100.8655) • microsoft windows 11 25h2 (< 10.0.26200.8655) • microsoft windows 11 26h1 (< 10.0.28000.2269) • microsoft windows server 2022 (< 10.0.20348.5256) • microsoft windows server 2025 (< 10.0.26100.32995)

Related

Weakness · CWE (1)

  • CWE-122 Heap-based Buffer Overflow weakness

References