CVE-2026-79978

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.09% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 0.4% of scored records. A rank, not a probability.

NVD base score

3.6 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-10-26.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-10-23 19:56Z5 DAYS AGO

Last updated

2026-10-23 19:56Z5 DAYS AGO

Reserved

2026-08-25

Assigning CNA

zephyr

Record state

PUBLISHED

Severity

Low (CVSS 3.6)

CNA CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

8b5ef77ddbac0973951d8676911f867e426450f1b198129d2aa4490bf909c995

• github.comFix commithttps://github.com/zephyrproject-rtos/zephyr/commit/3451bb1e1e9165844060551164adb8a756e7b6b7patch
• github.comGHSA-4v56-r4qm-v964https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-4v56-r4qm-v964