Cyber Resilience

CVE-2026-4744

Critical

Published: 24 March 2026

Published
24 March 2026
Modified
24 March 2026
KEV Added
—
Patch
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CVSS Score v4 9.3 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/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 70 floored blend · peak EPSS

Summary

CVE-2026-4744 is a critical-severity Out-of-bounds Read (CWE-125) vulnerability. Its CVSS base score is 9.3 (Critical).

Operationally, 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

Out-of-bounds Read vulnerability in rizonesoft Notepad3 (‎scintilla/oniguruma/src modules). This vulnerability is associated with program files regcomp.C‎. This issue affects Notepad3: before 6.25.714.1.

CWE(s)
CWE-125

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

Insufficient information to map techniques.
Confidence: LOW · 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