CVE-2023-36761
Estado: AnalizadaMedia (6.5)⚠ Explotación activa
Microsoft Word Information Disclosure Vulnerability
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- Puntuación base: 6.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 20%
- Percentil entre todas las CVEs puntuadas: 97
- Fecha de la puntuación: 6/10/2026
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).
CISA KEV — explotada activamente
- Añadida al catálogo: 12/9/2023
- Plazo de remediación: 3/10/2023
- Uso conocido en ransomware: Unknown
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1203Exploitation for Client Executionexecution85 % - Impacto principal
T1005Data from Local Systemcollection75 %
Vulnerabilidad de divulgación de información en Word (CWE-20) con vector AV:N/UI:R sin privilegios. T1203 por explotación en cliente requiriendo interacción. T1005 captura datos mediante acceso local a contenido de archivos abiertos.
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
Tecnologías afectadas (4)
CWE
- CWE-20
- NVD-CWE-noinfo
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2023-36761",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-36761",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "active"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2025-02-04T16:34:29.334276Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "secure@microsoft.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.5,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 3.6,
"exploitabilityScore": 2.8
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.5,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 3.6,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "secure@microsoft.com",
"affectedData": [
{
"vendor": "Microsoft",
"product": "Microsoft Office 2019",
"versions": [
{
"status": "affected",
"version": "19.0.0",
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"versionType": "custom"
}
],
"platforms": [
"32-bit Systems",
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Microsoft 365 Apps for Enterprise",
"versions": [
{
"status": "affected",
"version": "16.0.1",
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"versionType": "custom"
}
],
"platforms": [
"32-bit Systems",
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Microsoft Office LTSC 2021",
"versions": [
{
"status": "affected",
"version": "16.0.1",
"lessThan": "https://aka.ms/OfficeSecurityReleases",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems",
"32-bit Systems"
]
},
{
"vendor": "Microsoft",
"product": "Microsoft Word 2016",
"versions": [
{
"status": "affected",
"version": "16.0.1",
"lessThan": "16.0.5413.1000",
"versionType": "custom"
}
],
"platforms": [
"32-bit Systems",
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Microsoft Word 2013 Service Pack 1",
"versions": [
{
"status": "affected",
"version": "15.0.1",
"lessThan": "15.0.5589.1001",
"versionType": "custom"
}
],
"platforms": [
"ARM64-based Systems",
"32-bit Systems"
]
},
{
"vendor": "Microsoft",
"product": "Microsoft Word 2013 Service Pack 1",
"versions": [
{
"status": "affected",
"version": "15.0.1",
"lessThan": "15.0.5589.1001",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
}
]
}
],
"published": "2023-09-12T17:15:11.987",
"references": [
{
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36761",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "secure@microsoft.com"
},
{
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36761",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-36761",
"tags": [
"US Government Resource"
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "secure@microsoft.com",
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Microsoft Word Information Disclosure Vulnerability"
},
{
"lang": "es",
"value": "Vulnerabilidad de Divulgación de Información de Microsoft Word"
}
],
"lastModified": "2026-06-17T06:07:01.637",
"cisaActionDue": "2023-10-03",
"cisaExploitAdd": "2023-09-12",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "3259EBFE-AE2D-48B8-BE9A-E22BBDB31378"
},
{
"criteria": "cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*",
"vulnerable": true,
"matchCriteriaId": "CD25F492-9272-4836-832C-8439EBE64CCF"
},
{
"criteria": "cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "CF5DDD09-902E-4881-98D0-CB896333B4AA"
},
{
"criteria": "cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x86:*",
"vulnerable": true,
"matchCriteriaId": "26A3B226-5D7C-4556-9350-5222DC8EFC2C"
},
{
"criteria": "cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "75F7306B-D1DA-48C2-AF87-4480E161D794"
},
{
"criteria": "cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:x86:*",
"vulnerable": true,
"matchCriteriaId": "BA9BCD55-F71E-4920-B906-A1386843776A"
},
{
"criteria": "cpe:2.3:a:microsoft:word:2013:sp1:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "C4A7DDD5-F44B-4D25-B0A1-070E79C8ACB4"
},
{
"criteria": "cpe:2.3:a:microsoft:word:2013:sp1:*:*:*:*:x86:*",
"vulnerable": true,
"matchCriteriaId": "D3E82899-C1CC-46CE-8CD7-7844CBB5D25D"
},
{
"criteria": "cpe:2.3:a:microsoft:word:2013:sp1:*:*:rt:*:*:*",
"vulnerable": true,
"matchCriteriaId": "45E21528-4B0F-4A6F-82AD-DF7FDBF67C8F"
},
{
"criteria": "cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "E1FE9E95-4874-46EF-AC93-9E485F7A2AC0"
},
{
"criteria": "cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:x86:*",
"vulnerable": true,
"matchCriteriaId": "38479B5D-66F9-4260-A18A-F6E3D9B6991E"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secure@microsoft.com",
"cisaRequiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
"cisaVulnerabilityName": "Microsoft Word Information Disclosure Vulnerability"
}