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