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CVE-2026-14296

7.5 · HIGH

When using the Direct XIP update strategy, the main application image starts other cores (i.e.

Published Sep 7, 2026CWE-347EPSS 0.17%

Overview

CVE-2026-14296 is a high-severity vulnerability. It was published on September 7, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

When using the Direct XIP

update strategy, the main application image starts other cores (i.e. radio

core), based on the currently active slot without additional verification. The

MCUboot in the bare (upstream) configuration assumes that if there is at least

a single slot for each image available, the system is bootable and continues

the boot process. This may lead to a situation when MCUboot picks different

slot for different images (i.e. (a) for the main application and (b) for the

radio image), boots the main application (from slot (a)) that afterwards starts

the radio image by providing an address of the unauthenticated slot ((a)

instead of (b)).

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refdocs.nordicsemi.com/r/bundle/struct_sa/page/struct/sa.html

How CyberStrike helps

Frequently asked questions

What is CVE-2026-14296?

CVE-2026-14296 is a high-severity vulnerability. It was published on September 7, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-14296?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-14296?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-14296?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-14296 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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