Skip to content
THREATWIRE

CVE Tracker

CVE-2022-26143

MiCollab, MiVoice Business Express Access Control Vulnerability

IN CISA KEV

A vulnerability has been identified in MiCollab and MiVoice Business Express that may allow a malicious actor to gain unauthorized access to sensitive information and services, cause performance degradations or a denial of service condition on the affected system.

Vendor
Mitel
Product
MiCollab, MiVoice Business Express
CVSS
No score recorded (no NVD record loaded for this entry)
Published
Not recorded
NVD modified
Not recorded

CISA KEV

Date added
2022-03-25
Due date
2022-04-15
Ransomware use
Unknown
Required action
Apply updates per vendor instructions.

EPSS

87.3% chance of exploitation in the next 30 days (percentile 99th)

FIRST EPSS, updated 17 Oct 2026. About EPSS

CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.

Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.