# CVE-2026-104809: Mitel MiVoice Office 400 shared object hijacking arbitrary code execution

Source: https://junglewise.ai/threats/cve-2026-104809-digitalcanion-has-discovered-a-vulnerability-that-allows-an  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-05. Updated: 2026-10-05  
License: CC BY 4.0 with a link back

CVE-2026-104809 · Severity: info · Published 2026-10-05

Mitel MiVoice Office 400 is a unified communications platform that handles voice, messaging, and collaboration for organizations. A vulnerability allows an attacker to replace a legitimate software module with a malicious one, causing the system to load and execute the attacker's code with full system privileges. This leads to complete compromise of the device and all data it manages.

Technologies: [Mitel MiVoice Office 400](https://junglewise.ai/threats/technologies/mivoice-office-400). Vendors: [Mitel](https://junglewise.ai/threats/vendors/mitel).

## Quick answers

**Is CVE-2026-104809 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-104809 being exploited in the wild.

**How severe is CVE-2026-104809?** Informational severity, published 5 October 2026.

**Which products and versions are affected?** Mitel MiVoice Office 400 up to R7.2 SP1 running Linux Release 11.0.96.0.

**Is there a fix for CVE-2026-104809?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-104809 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-104809?** Check whether you run Mitel MiVoice Office 400 at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is a shared object hijacking flaw where the module loading mechanism uses a predictable name without verifying file integrity or origin. An attacker can place a malicious .so file in the expected location, which is then loaded and executed by a privileged process. Successful exploitation grants arbitrary code execution in the context of that privileged process, fully compromising the Linux-based virtual appliance.

## Affected products

- Mitel MiVoice Office 400 up to R7.2 SP1 running Linux Release 11.0.96.0

## Timeline

- 2026-10-05: disclosed

## References

- [https://digitalcanion.com/en/security-research/](https://digitalcanion.com/en/security-research/)

## Related threats

- [Mitel MiVoice Office 400 code execution via WAV file upload](https://junglewise.ai/threats/cve-2026-104811-digitalcanion-sa-has-discovered-a-vulnerability-that-allows)
- [Mitel MiVoice Office 400 path traversal in file browser](https://junglewise.ai/threats/cve-2026-104810-this-vulnerability-allows-remote-attackers-to-delete-sensitive)
- [Mitel MiVoice Office 400 stored XSS in Exchange mailbox field](https://junglewise.ai/threats/cve-2026-104808-digitalcanion-has-discovered-a-stored-cross-site-scripting-xss)
- [Mitel MiVoice Office 400 stored XSS in Domains description](https://junglewise.ai/threats/cve-2026-104807-digitalcanion-has-discovered-a-stored-cross-site-scripting-xss)
- [Mitel MiVoice Office 400 path traversal in System Logs](https://junglewise.ai/threats/cve-2026-104806-digitalcanion-has-discovered-a-path-traversal-vulnerability-that)