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P4
CVE-2026-12631: zephyr 2.3.0 to before 4.4.2
CVE-2026-12631. CVSS 3.1 base score 6.5 (MEDIUM, Vendor/CNA). EPSS 0.00155 (percentile 0.04274), scored 21-Oct-2026.
Affected technology
zephyr · 2.3.0 to before 4.4.2
zephyrproject
Description’s affected range: through thread_obj_validate() in kernel/thread.c
Component: Not specified by the source
File: kernel/thread.c
Attack conditions (Vendor/CNA, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
The source reports that an attacker could disrupt service under the conditions described by the source. Vendor/CNA’s CVSS 3.1 assessment (base score 6.5/10) rates confidentiality and integrity impact as none; availability impact as high.
- CWE
- CWE-862
- CCR priority
- 26.0 /100 (P4)
- CVSS 3.1
- 6.5 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H · Vendor/CNA
- EPSS
- 0.00155 · percentile 0.04276 · 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-2026-12631.html