medium severity August 06, 2026 · 1 min read

CISA ICS Advisory: Medixant RadiAnt DICOM

Here’s what this advisory affects, and what to do about it.

Successful exploitation of this vulnerability could allow an attacker to cause the application to crash if a maliciously crafted DICOM file is opened.

CISA ICS Advisory: Medixant RadiAnt DICOM

CISA published an ICS Medical Advisory on August 06, 2026, warning that Medixant RadiAnt DICOM Viewer contains a vulnerability that could allow an attacker to crash the application.

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Application crash via malicious DICOM file

The advisory states that successful exploitation could allow an attacker to cause the application to crash if a user opens a maliciously crafted DICOM file. The advisory does not say whether the vulnerability has been exploited in the wild.

Affected product

The flaw affects Medixant RadiAnt DICOM Viewer. The advisory does not specify affected version numbers or a fixed version.

What to do

Determine whether RadiAnt DICOM Viewer is in use in your environment.
Check the vendor’s website for an updated version that addresses the issue.
Avoid opening DICOM files from untrusted sources until the software has been updated.
Monitor Medixant’s official channels for further patches or guidance.
Consider alternative DICOM viewers that receive regular security updates if this product is used in clinical or operational settings.

Organisations operating medical imaging software should treat this class of vulnerability seriously, as DICOM files are a common vector for moving data between systems and devices. Prompt application of vendor updates remains the primary defence.

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Sources: CISA ICS Advisory

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