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    CVE-2026-18796

    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.

    Published:Sep 7, 2026
    Last Modified:Sep 8, 2026
    EPS:Sep 7, 2026
    EPSS Score:0.00079
    CVSS Score:6.8

    Affected Products

    Vendor
    Nordic Semiconductor Asa
    Product
    Nrf5340

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-696 Load Value Injection

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High