Cyber Posture

CVE-2026-40401

High

Published: 12 May 2026

Published
12 May 2026
Modified
12 May 2026
KEV Added
Patch
CVSS Score 7.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS Score N/A
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-40401 is a high-severity NULL Pointer Dereference (CWE-476) vulnerability. Its CVSS base score is 7.1 (High).

Operationally, it is not currently listed in the CISA KEV catalog.

NVD Description

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

Deeper analysisAI

Automated synthesis unavailable for this CVE.

Details

CWE(s)

References