Is CVE-2018-16550 actively exploited?

No active exploitation of CVE-2018-16550 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-16550 be exploited remotely?

Yes. CVE-2018-16550 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-16550?

CVE-2018-16550 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2018-16550

CRITICAL

CVE-2018-16550

NVD-CWE-noinfoPublished: September 5, 2018· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

TeamViewer 10.x through 13.x allows remote attackers to bypass the brute-force authentication protection mechanism by skipping the "Cancel" step, which makes it easier to determine the correct value of the default 4-digit PIN.

NVD Source

Technical Analysis

CVE-2018-16550 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.