CVE-2026-40414

high

Description

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

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40414

Details

Source: Mitre, NVD

Published: 2026-05-12

Updated: 2026-05-13

Risk Information

CVSS v2

Base Score: 6.1

Vector: CVSS2#AV:A/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 7.4

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.00141