CVE-2026-70579
Status: AnalyzedHigh (7.5)—
Out-of-bounds read in Windows Mobile Broadband allows an unauthorized attacker to disclose information over a network.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Base score: 7.5
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 1.03%
- Percentile among all scored CVEs: 62
- Score date: 10/6/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
🎯 ATT&CK techniques
How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.
- Exploitation
T1190Exploit Public-Facing Applicationinitial access90 % - Primary impact
T1005Data from Local Systemcollection85 %
Vector CVSS AV:N/PR:N/UI:N indica explotación remota sin privilegios (T1190). CWE-125 (out-of-bounds read) y C:H confirman divulgación de información (T1005), no ejecución de código.
Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.
🛡️ ATT&CK mitigations that cover these techniques
Affected technologies (6)
CWEs
- CWE-125
References
Raw JSON (NVD)
Show
{
"id": "CVE-2026-70579",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-70579",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-09-08T19:46:16.410794Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "secure@microsoft.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 3.6,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "secure@microsoft.com",
"affectedData": [
{
"vendor": "Microsoft",
"product": "Windows 10 Version 21H2",
"versions": [
{
"status": "affected",
"version": "10.0.19044.0",
"lessThan": "10.0.19044.7725",
"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": "10.0.19045.7725",
"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": "10.0.22631.7582",
"versionType": "custom"
}
],
"platforms": [
"ARM64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows 11 Version 23H2",
"versions": [
{
"status": "affected",
"version": "10.0.22631.0",
"lessThan": "10.0.22631.7582",
"versionType": "custom"
}
],
"platforms": [
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows 11 Version 24H2",
"versions": [
{
"status": "affected",
"version": "10.0.26100.0",
"lessThan": "10.0.26100.9445",
"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": "10.0.26200.9445",
"versionType": "custom"
}
],
"platforms": [
"ARM64-based Systems",
"x64-based Systems"
]
},
{
"vendor": "Microsoft",
"product": "Windows 11 version 26H1",
"versions": [
{
"status": "affected",
"version": "10.0.28000.0",
"lessThan": "10.0.28000.2954",
"versionType": "custom"
}
],
"platforms": [
"ARM64-based Systems",
"x64-based Systems"
]
}
]
}
],
"published": "2026-09-08T18:20:10.850",
"references": [
{
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70579",
"tags": [
"Vendor Advisory",
"Patch"
],
"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 Mobile Broadband allows an unauthorized attacker to disclose information over a network."
}
],
"lastModified": "2026-09-24T19:53:19.883",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*",
"vulnerable": true,
"matchCriteriaId": "26BFC889-B503-48BF-9D82-5B3043D9A6B3",
"versionEndExcluding": "10.0.19044.7725"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "E6F2C029-D78A-4FAA-B2E8-FD79C2CABC32",
"versionEndExcluding": "10.0.19044.7725"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*",
"vulnerable": true,
"matchCriteriaId": "0B423BD2-DDDC-4869-9B98-3275F53B92F1",
"versionEndExcluding": "10.0.19044.7725"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*",
"vulnerable": true,
"matchCriteriaId": "254EF7C4-707D-4480-BC27-56F64175A9AD",
"versionEndExcluding": "10.0.19045.7725"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "B318C958-84F6-4E33-A95C-6E95C7E286EB",
"versionEndExcluding": "10.0.19045.7725"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*",
"vulnerable": true,
"matchCriteriaId": "9828DC67-F252-4E2B-AFE9-C404BAF414E0",
"versionEndExcluding": "10.0.19045.7725"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*",
"vulnerable": true,
"matchCriteriaId": "97D353CE-F9A4-46B5-BC5C-BF422E10785D",
"versionEndExcluding": "10.0.22631.7582"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "A2B42421-4694-4879-A69B-6A9192E2CFB8",
"versionEndExcluding": "10.0.22631.7582"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*",
"vulnerable": true,
"matchCriteriaId": "990434BE-FE81-48CC-8803-94FAEB694DE2",
"versionEndExcluding": "10.0.26100.9445"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "045BBF02-6FDD-44D4-B278-0C52A5406956",
"versionEndExcluding": "10.0.26100.9445"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*",
"vulnerable": true,
"matchCriteriaId": "948460EF-4053-4106-8D9E-4EDC3BF7B682",
"versionEndExcluding": "10.0.26200.9445"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "D4F1D717-582C-446B-B90F-1D25028DA77F",
"versionEndExcluding": "10.0.26200.9445"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*",
"vulnerable": true,
"matchCriteriaId": "4B46D2B8-7E89-4818-862C-30B9751BA6EA",
"versionEndExcluding": "10.0.28000.2954"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*",
"vulnerable": true,
"matchCriteriaId": "165C7909-F15B-4328-A175-B9FEF3BEB82D",
"versionEndExcluding": "10.0.28000.2954"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secure@microsoft.com"
}