Intel

CVE-2026-92371

TeamViewer: Improper Link Resolution Before File Access ('Link Following') (CVE-2026-92371)

highEPSS 0.1%

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.

Source: BSI CSAFBSI WID Portalcvelistv5NVD (NIST)

Affected products

The following versions are affected. Older releases of the same product line are also vulnerable unless stated otherwise.

TeamViewerTeamViewer
Full Client <15.82

Metrics

XIEM Effective CVSS
7.0
Source: cna-v3
EPSS percentile
1.0 %
Low — this CVE sits in the lower 10% of all CVEs scored today.
KEV status
—
Show all metrics
Severity
high
Priority score
65.01
Exploit maturity
no public PoC known
CVSS v3
7.0
EPSS score
0.1 %
Low — model estimates < 1% exploitation likelihood.
Published
2026-09-29 15:41 UTC
CWE
CWE-59

Weakness classes (CWE)

  • CWE-59Base

    Improper Link Resolution Before File Access ('Link Following')

    The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

    cwe.mitre.org →

References & sources

Reanalysis & status changes

Chronological NVD audit events for this CVE — reanalyses, CVSS updates, CPE diffs.

  1. CVE Modified2026-09-30 16:19 UTC· 134c704f-9b21-4f2e-91b3-4a467353bcc0
    • SSVC: {"id":"CVE-2026-92371","role":"CISA Coordinator","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalI…
  2. New CVE Received2026-09-29 16:17 UTC· psirt@teamviewer.com
    • 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.
    • CVSS V3.1: AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
    • CWE: CWE-59
    • Affected: New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/92xxx/CVE-2026-92371.json">CVE-2026-92371</a>