CVE-2026-65816 — CRITICAL (10.0)

Vulnerability Description

Use of incorrectly-resolved name or reference in Azure Arc allows an unauthorized attacker to elevate privileges over a network.

CVSS Score

10.0

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-706

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65816

FAQ

What is CVE-2026-65816?

CVE-2026-65816 is a vulnerability with a CVSS score of 10.0 (CRITICAL). Use of incorrectly-resolved name or reference in Azure Arc allows an unauthorized attacker to elevate privileges over a network.

How severe is CVE-2026-65816?

CVE-2026-65816 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-65816?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.