CVSS 10.0CVSS 10.0 · CRITICAL
CVE-2026-65816Azure Arc Privilege Escalation via Name Resolution
Use of incorrectly-resolved name or reference in Azure Arc allows an unauthorized attacker to elevate privileges over a network.
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Una vulnerabilidad en Azure Arc permite a un atacante no autorizado elevar privilegios a través de la red mediante la resolución incorrecta de nombres o referencias. Al ser una herramienta para gestionar infraestructura híbrida, este fallo permite el control administrativo sobre servidores y clusters de Kubernetes vinculados a Azure. Se recomienda actualizar los agentes de Azure Arc de manera inmediata.
Relevant roles
CloudKubernetesCyberSecurityLinuxWindowsBackend
Severity
Score: 10.0(CRITICAL)
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HAV: NETWORK
AC: LOW
PR: NONE
UI: NONE
S: CHANGED
C: HIGH
I: HIGH
A: HIGH
Weakness (CWE):
CWE-706EPSS
No EPSS score yet (CVE may be too fresh).
Technical description
Use of incorrectly-resolved name or reference in Azure Arc allows an unauthorized attacker to elevate privileges over a network.
Published: 8/20/2026, 10:17:55 PM
Last modified: 8/20/2026, 10:17:55 PM