Mitel security advisory (AV26-611)
ID: 552b7f12-2103-59e7-970d-9897ead93035
STIX ID: report--552b7f12-2103-59e7-970d-9897ead93035
Feed Name: Canadian Centre for Cyber Security Alerts and Advisories
Threat Score
Mitel published a security advisory on June 17, 2026, identifying critical vulnerabilities in MiCollab (multiple versions) and MiVoice Business Solution Virtual Instance (MiVB SVI) v2.1.0.9-2 and earlier, and urging administrators to consult the advisory links and apply required updates.
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