CVE-2026-18796
Medium
Description
Any application that uses external QSPI flash for encrypted XIP on nRF5340 and relies on that encryption for confidentiality and/or integrity of the externally stored code. No specific nRF Connect SDK version is the root cause; the weakness is in the on-the-fly decryption scheme.
SeverityMedium
CVSS6.8
Exploit probability—
ProductnRF5340
PublishedSep 7, 2026
First seenSep 7, 2026
Weakness typeCWE-1342CWE-1342
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Nordic Semiconductor ASA nRF5340 | All build codes | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.