Quick answers
- Is CVE-2026-92374 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-92374 being exploited in the wild.
- How severe is CVE-2026-92374?
- High severity, with a CVSS score of 7.8, published 27 October 2026.
- Which products and versions are affected?
- Teamviewer Full Client prior to 15.83 (macOS); legacy versions 14.7, 13.2 (macOS); Teamviewer Host prior to 15.83 (macOS); legacy versions 14.7, 13.2 (macOS).
- Is there a fix for CVE-2026-92374?
- Yes: fixed in 15.83 for Full Client and Host on macOS. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-92374 attacked?
- It is attacked with local access, in a hosted service.
- Am I affected by CVE-2026-92374?
- Check whether you run Teamviewer Full Client or Teamviewer 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.
How to fix
- Fixed in: 15.83 for Full Client and Host on macOS
Technical details
A TOCTOU race condition combined with improper symbolic link handling in the privileged helper allows a local attacker to bypass installer package verification. The vulnerability requires local access and low privileges but no user interaction. Exploitation results in local privilege escalation to root on macOS systems running affected versions.
Affected products
- TeamViewer Full Client prior to 15.83 (macOS); legacy versions 14.7, 13.2 (macOS)
- TeamViewer Host prior to 15.83 (macOS); legacy versions 14.7, 13.2 (macOS)
Timeline
- 2026-10-27: disclosed