CVE-2026-84011
Status: AnalyzedMedium (5.5)—
Severity5.5Medium · CVSS 3.1
Exploitation probability0.28 %higher than 19% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found
Incorrect authorization in Windows SMB Client allows an authorized attacker to bypass a security feature locally.
CVSS
- Base score
- 5.5
- Version
- 3.1
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days
- 0.28 %
- Percentile among all scored CVEs
- 19
- Score date
- 10/20/2026
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
T1068Exploitation for Privilege Escalationprivilege escalation90 %
Vector AV:L/PR:L/UI:N indica escalada local sin interacción; la descripción solo cita un bypass de característica de seguridad, sin credenciales ni cuentas, así que no hay impacto explícito.
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 (7)
CWEs
- CWE-863
References
Show 1 references
Raw JSON (NVD)
Show
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