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    CVE-2026-12374

    Improper certificate validation and a time-of-check time-of-use (TOCTOU) race condition in the PrivilegedHelperTool XPC service in Cato Client before v.5.13.1 on macOS allows a local authenticated attacker to escalate privileges to root via a self-signed certificate that bypasses the XPC caller verification and a symlink swap during package installation.

    Published:Jul 1, 2026
    Last Modified:Jul 1, 2026
    EPS:Jul 1, 2026
    EPSS Score:
    CVSS Score:6.4

    Affected Products

    Vendor
    Catonetworks
    Product
    Sdp Client

    Exploits

    No exploit reference

    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