CVE-2026-56169

Status: AnalyzedHigh (8.8)—

Improper authentication in Windows Admin Center allows an authorized attacker to elevate privileges 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)

Probability of exploitation in the next 30 days: 0.75%
Percentile among all scored CVEs: 53
Score date: 10/5/2026

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.

ExploitationT1210 Exploitation of Remote Serviceslateral movement85 %
Primary impactT1068 Exploitation for Privilege Escalationprivilege escalation90 %
Secondary impactT1078 Valid Accountsstealth · persistence · privilege escalation · initial access75 %

CWE-287 (autenticación impropia) en Windows Admin Center con acceso remoto (AV:N) y privilegios previos requeridos (PR:L) permite escalada de privilegios. CVSS I:H/A:H confirma impacto en integridad y disponibilidad.

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

Threat Intelligence Program Privileged Account Management Application Isolation and Sandboxing Exploit Protection Update Software Application Developer Guidance

Affected technologies (1)

Microsoft — Windows Admin Center

CWEs

CWE-287

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56169

Raw JSON (NVD)

Show

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