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CVE-2026-40401

7.1 HIGH

Windows TCP/IP Denial of Service Vulnerability

Published: 2026-05-12 · Last updated: 2026-06-01

Severity and scoring

CVSS
7.1 HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CWE
CWE-476

Affected products

VendorProduct
microsoftwindows_10_1607, windows_10_1809, windows_10_21h2

Description

Windows TCP/IP Denial of Service Vulnerability

Source: NVD

References

Related CVEs

Same vendor

  • CVE-2026-50512 — Improper link resolution before file access ('link following') in Microsoft PC Manager allows an authorized attacker to elevate privilege... (7.8 HIGH)
  • CVE-2026-50511 — Improper link resolution before file access ('link following') in Microsoft PC Manager allows an authorized attacker to elevate privilege... (7.8 HIGH)
  • CVE-2026-50507 — Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack (6.8 MEDIUM)
  • CVE-2026-49161 — Improper access control in Microsoft PC Manager allows an authorized attacker to bypass a security feature locally (7.8 HIGH)
  • CVE-2026-49160 — Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network (7.5 HIGH)

Same CWE

  • CVE-2026-12329 — Memory safety bug fixed in Thunderbird ESR 140.12 (5.3 MEDIUM)
  • CVE-2025-70102 — A NULL pointer dereference occurs in Roy Marples NetworkConfiguration/dhcpcd 10.3.0 while parsing configuration options (6.3 MEDIUM)
  • CVE-2025-55663 — A segmentation violation in the Track_SetStreamDescriptor function (isomedia/track.c) of GPAC MP4Box v2.4 allows attackers to cause a Den... (5.5 MEDIUM)
  • CVE-2025-55649 — A NULL pointer dereference in the gf_media_map_esd function (media_tools/isom_tools.c) of GPAC MP4Box v2.4 allows attackers to cause a De... (5.5 MEDIUM)
  • CVE-2025-55643 — A NULL pointer dereference in the TrackWriter handling component (filters/mux_isom.c) of GPAC MP4Box v2.4 allows attackers to cause a Den... (5.5 MEDIUM)