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    CVE-2026-92374

    A time-of-check time-of-use (TOCTOU) race condition combined with improper symbolic link handling in the privileged helper of TeamViewer Full Client and Host prior to version 15.83 for macOS allows a local attacker with low privileges to bypass installer package verification and install a malicious package. Successful exploitation can lead to local privilege escalation to root.

    Published:Oct 27, 2026
    Last Modified:Oct 27, 2026
    EPS:Oct 27, 2026
    EPSS Score:
    CVSS Score:7.8

    Affected Products

    Vendor
    Teamviewer
    Product
    Full Client
    Vendor
    Teamviewer
    Product
    Host

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-111585 (CVSS 8.8) — An integer overflow in the remote-control screen processing component of TeamViewer clients (Full Client, Port…
    CVE-2026-111583 (CVSS 7.3) — Improper access control in the installer staging directory used by TeamViewer Full Client and Host prior to ve…
    CVE-2026-92377 (CVSS 7.8) — Improper access control in the Patch Management update mechanism of TeamViewer Full Client and Host for Window…
    CVE-2026-92375 (CVSS 7.8) — An improper access control vulnerability in the IPC communication between TeamViewer Full Client or Host prior…
    CVE-2026-92372 (CVSS 8.8) — An out-of-bounds write vulnerability in the screen-image decoder of TeamViewer Full Client for Linux and macOS…
    CVE-2026-92370 (CVSS 8.8) — An improper access control vulnerability in TeamViewer Full Client, Host, and related affected modules on Wind…
    CVE-2026-92371 (CVSS 7) — TeamViewer Full Client and Host for Linux prior version 15.82 contains an improper path validation vulnerabili…
    CVE-2026-92368 (CVSS 7.8) — TeamViewer Full Client and Host for Linux and macOS prior version 15.82 contain a heap-based buffer overflow v…
    CVE-2026-92369 (CVSS 7.3) — TeamViewer Full Client and Host prior to version 15.82 on Windows contain a TOCTOU race condition in the insta…
    CVE-2026-19743 (CVSS 7.8) — Improper path validation in the local IPC service of TeamViewer Full Client and Host on Windows, Linux, and ma…

    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