CVE-2026-12236: zephyr 2.6.0 to before 4.4.2

CVE-2026-12236. CVSS 3.1 base score 6.5 (MEDIUM, Vendor/CNA). EPSS 0.0016 (percentile 0.04787), scored 22-Oct-2026.

Affected technology

zephyr · 2.6.0 to before 4.4.2
zephyrproject

Component: Not specified by the source
Function: parse_read_std_char_desc
File: subsys/bluetooth/host/gatt.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 24-Oct-2026 01:44 UTC

CWE: CWE-835
CCR priority: 26.0 /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: 0.0016 · percentile 0.04787 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-12236.html