CVE-2026-12632: zephyr 3.7.0 to before 4.4.2

CVE-2026-12632. CVSS 3.1 base score 6.5 (MEDIUM, Vendor/CNA). EPSS 0.00285 (percentile 0.19856), scored 21-Oct-2026.

Affected technology

zephyr · 3.7.0 to before 4.4.2
zephyrproject

Component: Not specified by the source
File: subsys/net/lib/ptp/msg.c

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

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 6.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 23-Oct-2026 06:11 UTC

CWE: CWE-125
CCR priority: 26.1 /100 (P4)
CVSS 3.1: 6.5 /10 · CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Vendor/CNA
EPSS: 0.00285 · percentile 0.19898 · 2026-10-22
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-23 06:11:59.600832+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-23 06:11:01.814928+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-12632.html