# CVE-2025-36521: MicroDicom DICOM Viewer Out-of-bounds Read

CVE-2025-36521 is fixed in MicroDicom DICOM Viewer on 1 platform by MicroDicom DICOM Viewer 2025.2 (version 2025.2), released April 24, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-36521
- Priority: High
- CVSS: 8.6
- EPSS: 0.0046
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 1, 2025
- Weakness: CWE-125: Out-of-bounds Read
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-36521

## Description

MicroDicom DICOM Viewer is vulnerable to an out-of-bounds read which may allow an attacker to cause memory corruption within the application. The user must open a malicious DCM file for exploitation.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | MicroDicom DICOM Viewer | 2025.2 | [MicroDicom DICOM Viewer 2025.2](https://patchblox.com/security/data/fix/windows-app/microdicom.dicomviewer-2025.2.md) | Apr 24, 2025 |

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Data as of 2026-11-10T01:44:33Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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