ConnectWise security advisory (AV26-257) – Canadian Centre for Cyber Security

Serial number: AV26-257
Date: March 17, 2026

On March 17, 2026, ConnectWise published a security advisory to address a vulnerability in the following product:

• ConnectWise ScreenConnect – versions prior to 26.1

The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.