CVE-2025-5943: Microdicom Dicom Viewer

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

MicroDicom DICOM Viewer suffers from an out-of-bounds write vulnerability. Remote attackers are able to exploit this issue to potentially execute arbitrary code on affected installations of DICOM Viewer. User interaction is required to exploit the vulnerability in that the user must either visit a malicious website or open a malicious DICOM file locally.

Affected products

• Microdicom Dicom Viewer: up to and including 2025.2 (Build 8154)

Published 2025-06-10. Last modified 2026-06-17.