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CVE-2026-4744

Estado: Pendiente de análisisCrítica (9.3)—

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.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vector AV:L con UI:A indica explotación en cliente (abrir fichero preparado). OOB read (CWE-125) en módulo de procesamiento de texto puede permitir lectura/ejecución de código.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Restrict Web-Based ContentPrivileged Account ManagementLimit Software InstallationExecution PreventionBehavior Prevention on EndpointDisable or Remove Feature or Program

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Rizonesoft — Notepad3AI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-4744",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-4744",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-24T14:32:43.936281Z"
        }
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "cve_disclosure@tech.gov.sg",
        "cvssData": {
          "Safety": "NEGLIGIBLE",
          "version": "4.0",
          "Recovery": "USER",
          "baseScore": 9.3,
          "Automatable": "NO",
          "attackVector": "LOCAL",
          "baseSeverity": "CRITICAL",
          "valueDensity": "DIFFUSE",
          "vectorString": "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",
          "exploitMaturity": "ATTACKED",
          "providerUrgency": "AMBER",
          "userInteraction": "ACTIVE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "subIntegrityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "HIGH",
          "vulnAvailabilityImpact": "HIGH",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "LOW",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "cve_disclosure@tech.gov.sg",
      "affectedData": [
        {
          "vendor": "rizonesoft",
          "modules": [
            "‎scintilla/oniguruma/src"
          ],
          "product": "Notepad3",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "6.25.714.1",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "regcomp.c‎"
          ],
          "collectionURL": "https://github.com/rizonesoft/Notepad3",
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-03-24T04:17:32.880",
  "references": [
    {
      "url": "https://github.com/rizonesoft/Notepad3/pull/5392",
      "source": "cve_disclosure@tech.gov.sg"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve_disclosure@tech.gov.sg",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Out-of-bounds Read vulnerability in rizonesoft Notepad3 (‎scintilla/oniguruma/src modules). This vulnerability is associated with program files regcomp.C‎.\n\nThis issue affects Notepad3: before 6.25.714.1."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de lectura fuera de límites en rizonesoft Notepad3 (módulos scintilla/oniguruma/src). Esta vulnerabilidad está asociada con los archivos de programa regcomp.C.\n\nEste problema afecta a Notepad3: antes de 6.25.714.1."
    }
  ],
  "lastModified": "2026-06-17T10:57:09.673",
  "sourceIdentifier": "cve_disclosure@tech.gov.sg"
}