CVE-2026-83928
Status: Awaiting AnalysisHigh (8.8)—
Out-of-bounds write in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to execute code over a network.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Base score: 8.8
Exploitation probability (EPSS)
FIRST hasn't scored this CVE yet (usual for very recent or rejected CVEs).
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
T1210Exploitation of Remote Serviceslateral movement75 % - Primary impact
T1059Command and Scripting Interpreterexecution65 %
Vector AV:N con PR:L (privilegios bajos) implica T1210 por regla; la descripción indica ejecución de código por red sin intérprete concreto, por lo que se usa T1059.
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.
CWEs
- CWE-306
References
Raw JSON (NVD)
Show
{
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"published": "2026-10-13T19:20:49.227",
"references": [
{
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83928",
"source": "secure@microsoft.com"
}
],
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
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"type": "Secondary",
"source": "secure@microsoft.com",
"description": [
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}
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],
"descriptions": [
{
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"value": "Out-of-bounds write in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to execute code over a network."
}
],
"lastModified": "2026-10-13T21:19:06.673",
"sourceIdentifier": "secure@microsoft.com"
}