CVE-2026-88181
Lectura fuera de límites en la biblioteca principal de DWM de Windows (Windows DWM Core Library) permite a un atacante autorizado escalar privilegios de forma local.
Traducción automática del texto original de NVD (en inglés).
CVSS
- Puntuación base
- 7.8
- Versión
- 3.1
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días
- 0.31 %
- Percentil entre todas las CVEs puntuadas
- 23
- Fecha de la puntuación
- 20/10/2026
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).
Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1068Exploitation for Privilege Escalationprivilege escalation90 %
Vector AV:L/UI:N/PR:L y descripción de escalada de privilegios local por lectura fuera de límites en DWM. La pista T1059 no tiene respaldo en el texto, por lo que se omite.
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 (11)
CWE
- CWE-125
Referencias
Mostrar las 1 referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-88181",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-88181",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-10-13T19:51:44.148564Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "secure@microsoft.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.8,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "secure@microsoft.com",
"affectedData": [
{
"vendor": "Microsoft",
"product": "Windows 10 Version 1809",
"versions": [
{
"status": "affected",
"version": "10.0.17763.0",
"lessThan": "10.0.17763.9376",
"versionType": "custom"
}
],
"platforms": [
"32-bit Systems",
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows 10 Version 21H2",
"versions": [
{
"status": "affected",
"version": "10.0.19044.0",
"lessThan": "10.0.19044.7807",
"versionType": "custom"
}
],
"platforms": [
"32-bit Systems",
"ARM64-based Systems",
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows 10 Version 22H2",
"versions": [
{
"status": "affected",
"version": "10.0.19045.0",
"lessThan": "10.0.19045.7807",
"versionType": "custom"
}
],
"platforms": [
"32-bit Systems",
"ARM64-based Systems",
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows 11 version 23H2",
"versions": [
{
"status": "affected",
"version": "10.0.22631.0",
"lessThan": "10.0.22631.7652",
"versionType": "custom"
}
],
"platforms": [
"ARM64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows 11 Version 23H2",
"versions": [
{
"status": "affected",
"version": "10.0.22631.0",
"lessThan": "10.0.22631.7652",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows 11 Version 24H2",
"versions": [
{
"status": "affected",
"version": "10.0.26100.0",
"lessThan": "10.0.26100.9711",
"versionType": "custom"
}
],
"platforms": [
"ARM64-based Systems",
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows 11 Version 25H2",
"versions": [
{
"status": "affected",
"version": "10.0.26200.0",
"lessThan": "10.0.26200.9711",
"versionType": "custom"
}
],
"platforms": [
"ARM64-based Systems",
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows 11 Version 26H2",
"versions": [
{
"status": "affected",
"version": "10.0.26300.0",
"lessThan": "10.0.26300.9711",
"versionType": "custom"
}
],
"platforms": [
"ARM64-based Systems",
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows Server 2019",
"versions": [
{
"status": "affected",
"version": "10.0.17763.0",
"lessThan": "10.0.17763.9376",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows Server 2019 (Server Core installation)",
"versions": [
{
"status": "affected",
"version": "10.0.17763.0",
"lessThan": "10.0.17763.9376",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows Server 2022",
"versions": [
{
"status": "affected",
"version": "10.0.20348.0",
"lessThan": "10.0.20348.5761",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows Server 2025",
"versions": [
{
"status": "affected",
"version": "10.0.26100.0",
"lessThan": "10.0.26100.33650",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows Server 2025 (Server Core installation)",
"versions": [
{
"status": "affected",
"version": "10.0.26100.0",
"lessThan": "10.0.26100.33650",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
}
]
}
],
"published": "2026-10-13T19:21:38.980",
"references": [
{
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88181",
"tags": [
"Vendor Advisory"
],
"source": "secure@microsoft.com"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "secure@microsoft.com",
"description": [
{
"lang": "en",
"value": "CWE-125"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally."
}
],
"lastModified": "2026-10-20T00:35:01.553",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "15BDFD52-C4C7-440A-B97C-D7637E77AFAC",
"versionEndExcluding": "10.0.17763.9376"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*",
"vulnerable": true,
"matchCriteriaId": "A1A74FEC-9922-4060-A2C0-06080FB4DDA8",
"versionEndExcluding": "10.0.17763.9376"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*",
"vulnerable": true,
"matchCriteriaId": "53D23AF8-230C-4B39-8A91-3881AA31989A",
"versionEndExcluding": "10.0.19044.7807"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "67F442ED-4C44-46E2-9DC1-C8B5E6DCEDBB",
"versionEndExcluding": "10.0.19044.7807"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*",
"vulnerable": true,
"matchCriteriaId": "9F10DA49-990A-41B9-A6AB-F672D1FF4685",
"versionEndExcluding": "10.0.19044.7807"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*",
"vulnerable": true,
"matchCriteriaId": "D17757C7-94AA-426C-85B8-82E265C34790",
"versionEndExcluding": "10.0.19045.7807"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "06420E5D-7B0B-4E29-BDCF-49B0C0ACE784",
"versionEndExcluding": "10.0.19045.7807"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*",
"vulnerable": true,
"matchCriteriaId": "B1853485-D4E4-4ACB-B832-F00AFEB10823",
"versionEndExcluding": "10.0.19045.7807"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*",
"vulnerable": true,
"matchCriteriaId": "C31937C6-EFB5-4325-9F94-0F356B164035",
"versionEndExcluding": "10.0.22631.7652"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "AAC3F2E7-6713-4BE0-9DAA-59310B4C3863",
"versionEndExcluding": "10.0.22631.7652"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*",
"vulnerable": true,
"matchCriteriaId": "E2A85326-7BE4-4F2C-AF37-45FD4B939D07",
"versionEndExcluding": "10.0.26100.9711"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "03291588-C7D5-445C-AD9F-03D3ADE6BE8A",
"versionEndExcluding": "10.0.26100.9711"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*",
"vulnerable": true,
"matchCriteriaId": "5E5700DF-EF80-4D08-9B32-E0481EAE8147",
"versionEndExcluding": "10.0.26200.9711"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "BA7D90B4-6AD5-4EF9-8709-01E4CED31779",
"versionEndExcluding": "10.0.26200.9711"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*",
"vulnerable": true,
"matchCriteriaId": "EC0260C7-D6B6-487F-B304-CAAE72608BF7",
"versionEndExcluding": "10.0.28000.3231"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "8DA3AD5D-32C0-4AC9-A856-512106D42CC7",
"versionEndExcluding": "10.0.28000.3231"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_26h2:*:*:*:*:*:*:arm64:*",
"vulnerable": true,
"matchCriteriaId": "8D5DCA1A-EF56-43AF-B079-011AE5C2F846",
"versionEndExcluding": "10.0.26300.9711"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_26h2:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "38D4479B-ACB0-4DC7-A4B1-F448C5B2EBD8",
"versionEndExcluding": "10.0.26300.9711"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "D8CE3341-8771-4A25-9BF6-2A280D9C536C",
"versionEndExcluding": "10.0.17763.9376"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "A98E694F-9390-488A-A7FB-3E7BF7E988F8",
"versionEndExcluding": "10.0.20348.5761"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "D95E80FE-F34C-4805-9A66-75D090E65BBB",
"versionEndExcluding": "10.0.26100.33650"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secure@microsoft.com"
}