CVE-2026-17264 Medixant CVE debrief

Who should care

Medical imaging environments using RadiAnt DICOM viewer, IT teams responsible for managing medical imaging systems, and security teams focused on vulnerability management in healthcare settings.

Why it matters

CVE-2026-17264 is a MEDIUM-severity vulnerability in Medixant RadiAnt DICOM viewer that requires verification of exposure and potential impact, with a focus on medical imaging environments and healthcare settings.

• Potential remote code execution requires verification
• Need to assess exposure and prioritize patching
• Verify RadiAnt DICOM version and apply updates
• Monitor for suspicious activity

Technical summary

CVE-2026-17264 is a MEDIUM-severity vulnerability in Medixant RadiAnt DICOM viewer that can be triggered by opening a crafted DICOM file, potentially allowing remote code execution due to an attacker-controlled heap out-of-bounds write. The vulnerability requires verification of exposure and potential impact, with a focus on medical imaging environments and healthcare settings. The CVE record and NVD entry provide details on the vulnerability, but additional information on exploitation or impact is limited. There is no evidence of exploitation in the wild, but defenders should verify exposure and assess potential impact.

Defensive priority

Assess exposure and prioritize patching for RadiAnt DICOM users, especially in medical imaging environments.

Recommended defensive actions

• Assess exposure of RadiAnt DICOM installations to CVE-2026-17264
• Prioritize patching for systems with internet-exposed RadiAnt DICOM viewers
• Verify RadiAnt DICOM version and apply vendor-provided updates
• Monitor RadiAnt DICOM logs for suspicious activity
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, but additional information on exploitation or impact is limited. There is no evidence of exploitation in the wild, but defenders should verify exposure and assess potential impact. The CVE record was published on 2026-08-07T00:16:30.600Z and has not been modified since then. The NVD entry provides a CVSS score of 5.3 and a severity rating of MEDIUM.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.