P4Verified

CVE-2026-0849: zephyr 4.3.0; +1 more affected products

CVE-2026-0849. CVSS 3.1 base score 6.8 (MEDIUM, NVD). EPSS 0.00244 (percentile 0.14548), scored 14-Oct-2026.

Affected technology

zephyr · 4.3.0
zephyrproject

zephyr · 4.3.0 · update rc1
zephyrproject

zephyr · 4.3.0 · update rc2
zephyrproject

zephyr · 4.3.0 · update rc3
zephyrproject

Zephyr · * to before 4.4.0
zephyrproject-rtos

Component: Not specified by the source

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

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

What an attacker can do

A compromised device or bus attacker can corrupt kernel memory and potentially hijack execution. Vendor/CNA’s CVSS 3.1 assessment (base score 3.8/10) rates confidentiality, integrity and availability impact as low. NVD’s CVSS 3.1 assessment (base score 6.8/10) rates confidentiality, integrity and availability impact as high.

Published 15-Oct-2026 22:59 UTC

CWE: CWE-120
CCR priority: 27.3 /100 (P4)
CVSS 3.1: 6.8 /10 · CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · NVD
EPSS: 0.00244 · percentile 0.14548 · 2026-10-14
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-15 22:58:54.984414+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-0849.html