Mitel security advisory (AV26-250)

Serial number: AV26-250
Date: March 18, 2026

On March 18, 2026, Mitel published a security advisory to address vulnerabilities in the following products:

• Mitel CX – version 2.0.0.1 and prior
• MiContact Center Business – version 10.2.0.11 and prior

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

• Mitel Product Security Advisory MISA-2026-0001
• Mitel Security Bulletins