High severity · published Oct 5, 2026
CVE-2026-104809
Mitel MiVoice Office 400 Shared Object Hijacking Leading to Arbitrary Code Execution
8.4
CVSS
0.1%
EPSS
No
On KEV
Description
DigitalCanion has discovered a vulnerability that allows an attacker to cause the system to load an attacker-controlled .so file instead of the expected legitimate module. The loading mechanism relies on a predictable module name without adequately verifying the file’s origin or integrity. A malicious shared object using the expected name can therefore be loaded by a privileged process. The module code then executes within the context and privileges of that process. This results in arbitrary code execution and full compromise of the Mitel Linux virtual machine.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MM
Mitel MiVoice Office 400 · Mitel
11.0.96.0 · source: vendor
Affected product
MM
Mitel MiVoice Office 400
Mitel
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