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    CVE-2026-19743

    Improper path validation in the local IPC service of TeamViewer Full Client and Host on Windows, Linux, and macOS prior to version 15.82 allows a local authenticated user with low privileges to perform arbitrary file writes with elevated privileges (NT AUTHORITY/SYSTEM \ root). By sending crafted IPC commands to the local service daemon, an attacker could manipulate file paths, leading to local privilege escalation.

    Published:Sep 29, 2026
    Last Modified:Sep 30, 2026
    EPS:Sep 29, 2026
    EPSS Score:0.0013
    CVSS Score:7.8

    Affected Products

    Vendor
    Teamviewer
    Product
    Full Client
    Vendor
    Teamviewer
    Product
    Host

    Exploits

    No exploit reference

    Related CVEs

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    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…
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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