CVE-2026-81038

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 3.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2026-10-26 16:08Z2 DAYS AGO

Last updated

2026-10-26 17:37Z2 DAYS AGO

Reserved

2026-08-26

Assigning CNA

zephyr

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

• CWE-617Reachable AssertionBase
• CWE-908Use of Uninitialized ResourceBase

Data version

5.2

Document digest

7da8f7ce8c12197d6132c657e6aae920a14c0d2a3aa3f2f7e4ed3be0ec5dc8c8

• github.comFix commithttps://github.com/zephyrproject-rtos/zephyr/commit/36145a6f1164e2e0a18c8c83d5b1be6e7d3f6e23patch
• github.comGHSA-7c9w-mhqw-5g86https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7c9w-mhqw-5g86