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CVE-2026-40405

NVDCIRCLENISA

EUVD-2026-29665 · Published May 12, 2026

Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over a network.

Technologies

Microsoft Windows 11 26H1Microsoft Windows 11 24H2Microsoft Windows 11 25H2Microsoft Windows Server 2025

Weaknesses

CWE-476

CVSS scores

  • v3.17.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

MITRE ATT&CK

Inferred

Where this vulnerability fits in an attack

Initial Access

References

Potentially impacted assets

See if this affects your attack surface

News

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