# CVE-2025-5943: MicroDicom DICOM Viewer Out-of-bounds Write CVE-2025-5943 is fixed in MicroDicom DICOM Viewer on 1 platform by MicroDicom DICOM Viewer 2025.3 (version 2025.3), released June 5, 2025. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2025-5943 - Priority: High - CVSS: 8.6 - EPSS: 0.0077 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Jun 10, 2025 - Weakness: CWE-787: Out-of-bounds Write - Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-5943 ## Description 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. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Windows apps | MicroDicom DICOM Viewer | 2025.3 | [MicroDicom DICOM Viewer 2025.3](https://patchblox.com/security/data/fix/windows-app/microdicom.dicomviewer-2025.3.md) | Jun 5, 2025 | --- Data as of 2026-11-08T13:06:02Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.