Cyber Resilience

CVE-2026-22879

High

Published: 25 June 2026

Published
25 June 2026
Modified
26 June 2026
KEV Added
Patch
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
Risk Priority 55 floored blend · peak EPSS

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

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.

References