CVE-2026-22879
High
Published: 25 June 2026
Published
25 June 2026
Modified
26 June 2026
KEV Added
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Patch
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CVSS Score v3.1
8.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.0032
23.9th percentile
Summary
CVE-2026-22879 is a high-severity Improper Validation of Array Index (CWE-129) vulnerability. Its CVSS base score is 8.1 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 23.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-39582
Vulnerability details
vtk vtk-dicom vtkDICOMItem::NewDataElement heap-based buffer overflow vulnerability
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
Why these techniques?
Heap buffer overflow (CWE-129) in DICOM library directly enables arbitrary code execution via crafted input, facilitating client-side exploitation or privilege escalation.
Confidence: MEDIUM · MITRE ATT&CK Enterprise v19.0
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.