Vulnerability · Published Sep 29, 2026 · Assigned by TV

CVE-2026-92371Local Privilege Escalation via Improper Link Resolution in Cloud Session Recording

High 7.0

In plain English

A high-severity security flaw in Full Client from TeamViewer. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).

Severity (CVSS 3.1)7.0High
Exploit odds (30 days)0.1%top 98.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

TeamViewer Full Client and Host for Linux prior version 15.82 contains an improper path validation vulnerability in the Cloud Session Recording (CSR) functionality. By exploiting a race condition during path validation and subsequent file access, a local authenticated attacker may cause privileged file operations in unintended locations on the affected system.

Affected products (as reported)

VendorProductVersions
TeamViewer Full Client 15.0 – before 15.82
TeamViewer Host 15.0 – before 15.82

Weakness: CWE-59 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References