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    CVE-2026-18509

    IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local authenticated attacker to gain privilege escalation via the Navigator for i debugger. This could allow the attacker to access or manipulate sensitive data on the system, or create new profiles with elevated privileges on the IBM i system.

    Published:Aug 13, 2026
    Last Modified:Aug 14, 2026
    EPS:Aug 13, 2026
    EPSS Score:0.00201
    CVSS Score:8.2

    Affected Products

    Vendor
    Ibm
    Product
    I

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-285 Improper Authorization

    Related CVEs

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    CVE-2026-17057 (CVSS 6.5) — IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and affect data integr…
    CVE-2026-17207 (CVSS 6.5) — IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and compromise integri…
    CVE-2026-17255 (CVSS 4.3) — IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to improper valida…
    CVE-2026-17259 (CVSS 4.3) — IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to cause a denial of service due to a…
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    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