CVE-2026-12629: zephyr 1.14.0 to before 4.4.2

CVE-2026-12629. CVSS 3.1 base score 4.6 (MEDIUM, Vendor/CNA). EPSS 0.0023 (percentile 0.13084), scored 22-Oct-2026.

Affected technology

zephyr · 1.14.0 to before 4.4.2
zephyrproject

Component: Not specified by the source
File: drivers/serial/uart_pl011.c

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

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 4.6/10) 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 16:21 UTC

CWE: CWE-835
CCR priority: 18.5 /100 (P5)
CVSS 3.1: 4.6 /10 · CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Vendor/CNA
EPSS: 0.0023 · percentile 0.13084 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-23 16:20:36.797830+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-12629.html