CVE-2026-19743 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

Update to the latest version.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1010/

History

Tue, 29 Sep 2026 16:00:00 +0000

Type	Values Removed	Values Added
Description		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.
Title		Improper Limitation of a Pathname to a Restricted Directory (Path Traversal) in TeamViewer Desktop Clients
Weaknesses		CWE-22
References		https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1010/
Metrics		cvssV3_1 `{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: TV

Published: 2026-09-29T15:39:11.503Z

Updated: 2026-09-29T15:39:11.503Z

Reserved: 2026-08-13T13:55:15.000Z

Link: CVE-2026-19743

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-09-29T16:17:07.177

Modified: 2026-09-29T16:17:07.177

Link: CVE-2026-19743

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-22

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