Cyber Resilience

CVE-2026-4731

High

Published: 24 March 2026

Published
24 March 2026
Modified
30 April 2026
KEV Added
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Patch
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CVSS Score v4 8.5 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:N/R:U/V:D/RE:L/U:Amber
EPSS Score 0.0013 2.8th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-4731 is a high-severity Integer Overflow or Wraparound (CWE-190) vulnerability. Its CVSS base score is 8.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Client Execution (T1203); ranked at the 2.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Integer Overflow or Wraparound vulnerability in artraweditor ART (‎rtengine‎ modules). This vulnerability is associated with program files dcraw.C. This issue affects ART: before 1.25.12.

CWE(s)
CWE-190

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
attack.mitre.org →
T1204.002 Malicious File Execution
An adversary may rely upon a user opening a malicious file in order to gain execution.
attack.mitre.org →
Why these techniques?

Integer overflow in image decoder (dcraw.C) enables client-side RCE via malicious RAW file opened by user.

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