What is CVE-2026-69399?

CVE-2026-69399 is a security advisory published by Microsoft Security Response Center (MSRC) with Critical severity. Azure Arc Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2026-69399 cover?

CVE-2026-69399 covers the following CVE IDs: CVE-2026-69399. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-69399?

CVE-2026-69399 has a CVSS v3 base score of 9.9, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-69399?

CVE-2026-69399 affects 1 product, including: Azure ARC.

CVE-2026-69399CriticalCVSS 9.9

Azure Arc Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

September 17, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-69399 →

📋 Description

Unintended proxy or intermediary in Azure Arc allows an authorized attacker to elevate privileges over a network.

🎯 Affected products1

Azure ARC

🔗 References (1)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69399