CVE-2026-109463
High (8.8)—
Severity8.8High · CVSS 3.1
Exploitation probability1.11 %higher than 66% of CVEs · score from Nov 11, 2026
Active exploitationNonot in the CISA catalog · checked Nov 12, 03:00 AM
Public exploitNot knownno public code found
News and reports on Orbitaley
Deserialization of untrusted data in Windows DNS allows an unauthorized attacker to execute code over a network.
Timeline
Built from our own data: NVD, CISA KEV and other exploitation catalogues, FIRST EPSS, public exploits, specialised media and Orbitaley coverage.
- CVE record published in NVD
- Alert: Microsoft fixes 200 vulnerabilities, including an Outlook flaw CISA confirms is being exploited
ATT&CK techniques
How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.
- Exploitation
T1203Exploitation for Client Executionexecution90 % - Primary impact
T1059Command and Scripting Interpreterexecution85 %
El vector CVSS con UI:R y AV:N dicta T1203; la descripción indica ejecución de código por red sin autenticación y sin intérprete concreto, por lo que T1059 genérico.
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 (1)
⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.
NVD record
- NVD status
- Awaiting Analysis
- Published
- Nov 10, 2026
- Last modified
- Nov 10, 2026
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-502
References
Raw JSON (NVD)
Show
{
"id": "CVE-2026-109463",
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"metrics": {
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{
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"role": "CISA Coordinator",
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"version": "2.0.3",
"timestamp": "2026-11-10T21:48:20.254800Z"
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],
"published": "2026-11-10T19:18:15.410",
"references": [
{
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109463",
"source": "secure@microsoft.com"
}
],
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"type": "Secondary",
"source": "secure@microsoft.com",
"description": [
{
"lang": "en",
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}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Deserialization of untrusted data in Windows DNS allows an unauthorized attacker to execute code over a network."
}
],
"lastModified": "2026-11-10T22:18:15.067",
"sourceIdentifier": "secure@microsoft.com"
}