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P4Verified

CVE-2026-9728: zephyr 3.0.0 to before 4.4.2

CVE-2026-9728. CVSS 3.1 base score 6.4 (MEDIUM, Vendor/CNA). EPSS 0.0011 (percentile 0.01194), scored 11-Oct-2026.

Affected technology

zephyr · 3.0.0 to before 4.4.2
zephyrproject

Component: Not specified by the source
File: drivers/mbox/mbox_handlers.c

Attack conditions (Vendor/CNA, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 6.4/10) rates confidentiality impact as high; integrity impact as none; availability impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CWE
CWE-367
CCR priority
25.6 /100 (P4)
CVSS 3.1
6.4 /10 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L · Vendor/CNA
EPSS
0.0011 · percentile 0.01194 · 2026-10-11
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-9728.html