CVE-2026-40405
High
Published: 12 May 2026
Published
12 May 2026
Modified
12 May 2026
KEV Added
—
Patch
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CVSS Score
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
N/A
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2026-40405 is a high-severity NULL Pointer Dereference (CWE-476) vulnerability. Its CVSS base score is 7.5 (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 over a network.
Deeper analysisAI
Automated synthesis unavailable for this CVE.
Details
- CWE(s)