Medium severity · published Aug 6, 2026
CVE-2026-17264
Medixant RadiAnt DICOM Out-of-bounds write
4.3
CVSS
0.5%
EPSS
No
On KEV
Description
Opening a crafted DICOM file containing malicious JPEG-compressed pixel data triggers an attacker-controlled heap out-of-bounds write, which may allow an attacker to remotely execute arbitrary code.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RD
RadiAnt DICOM · Medixant
through 2025.2 · source: vendor
In the news
VulnerabilityLow
Medixant RadiAnt DICOM
View CSAF
Summary
Successful exploitation of this vulnerability could allow an attacker to cause the application to crash if a maliciously crafted DICOM file is opened.
The following versions of Medixant RadiAnt DICOM are affected:
RadiAnt DICOM <=2025.2
CVSS
Vendor
Equipment
Vulnerabilities
v3 4.3
Medixant
Medixant RadiAnt DICOM
Out-of-bounds Write
Background
Critical Infrastructure Sectors: Healthcare and Public Health
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Poland
Vulnerabilities
Expand All +
CVE-2026-17264
Opening a crafted DICOM file containing malicious JPEG-compressed pixel data triggers an attacker-controlled heap out-of-bounds write, which may allow an attacker to remotely execute arbitrary code.
View CVE Details
Affected Products
Medixant RadiAnt DICOM
Vendor: Medixant
Product Version: Medixant RadiAnt DICOM: <=2025.2
Product Status: known_affected
Remediations
Mitigation Users should update to version 2026.1. It is also recommended to open DICOM files only from trusted and reliable sources. Additionally, the application is compiled with exploit mitigation mechanisms enabled, including Control Flow Guard (CFG), Data Execution Prevention (DEP), and Address Space Layout Randomization (ASLR), which significantly reduces the practical exploitability of the issue. https://www.radiantviewer.com/files/RadiAnt-2026...
Aug 6, 2026·CISA Advisories
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-17264
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-17264
github.com
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-218-01.json
www.cisa.gov
https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-218-01
www.radiantviewer.com
https://www.radiantviewer.com/files/RadiAnt-2026.1-Setup.exe
