CVE-2026-105561
High (7.5)—
Severity7.5High · CVSS 3.1
Exploitation probability1.08 %higher than 65% 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
Uncontrolled resource consumption in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to deny service 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
T1190Exploit Public-Facing Applicationinitial access95 % - Primary impact
T1499Endpoint Denial of Serviceimpact85 %
El vector AV:N/PR:N/UI:N permite explotar por red sin privilegios; la descripción cita consumo descontrolado de recursos en SSTP que deniega el servicio, de ahí T1499.
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:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-401
References
Raw JSON (NVD)
Show
{
"id": "CVE-2026-105561",
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"metrics": {
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"role": "CISA Coordinator",
"options": [
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"version": "2.0.3",
"timestamp": "2026-11-10T21:03:17.546707Z"
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"integrityImpact": "NONE",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"published": "2026-11-10T19:17:58.740",
"references": [
{
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-105561",
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],
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],
"lastModified": "2026-11-10T21:17:46.770",
"sourceIdentifier": "secure@microsoft.com"
}