# CVE-2026-92371: TeamViewer Full Client and Host for Linux path validation race condition in Cloud Session Recording

Source: https://junglewise.ai/threats/cve-2026-92371-teamviewer-full-client-and-host-for-linux-prior-version-15-82  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-29. Updated: 2026-09-29  
License: CC BY 4.0 with a link back

CVE-2026-92371 · Severity: high · CVSS 7 · Published 2026-09-29

TeamViewer's remote desktop software for Linux contains a race condition vulnerability in its cloud session recording feature that allows a local authenticated attacker to write files to arbitrary locations with elevated privileges. An attacker could exploit this to overwrite system files or gain root access on the affected Linux system.

Vendors: [Teamviewer](https://junglewise.ai/threats/vendors/teamviewer).

## Quick answers

**Is CVE-2026-92371 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-92371 being exploited in the wild.

**How severe is CVE-2026-92371?** High severity, with a CVSS score of 7, published 29 September 2026.

**Which products and versions are affected?** Teamviewer Full Client and Host prior to 15.82 on Linux.

**Is there a fix for CVE-2026-92371?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-92371 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-92371?** Check whether you run Teamviewer Full Client and Host at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is a time-of-check-time-of-use (TOCTOU) race condition in the Cloud Session Recording (CSR) path validation logic. A local authenticated attacker can exploit the window between path validation and subsequent file access to redirect privileged file operations to unintended locations on the system. The attack requires local access and authentication but achieves privilege escalation to root.

## Affected products

- TeamViewer Full Client and Host prior to 15.82 on Linux

## Timeline

- 2026-09-29: disclosed

## References

- [https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1010/](https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1010/)

## Related threats

- [TeamViewer Full Client and Host improper access control in installer staging directory](https://junglewise.ai/threats/cve-2026-111583-improper-access-control-in-the-installer-staging-directory-used)