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10.0
CVE-2026-69555: Azure Arc lets attacker gain higher privileges
CVE-2026-69555 · published 14 days ago
Summary
The Azure Arc service, which links on‑premises and cloud resources, has a flaw that could let an unauthorized user increase their access rights across the network. This could allow the attacker to view or change data they should not reach. Apply the latest Azure Arc updates from Microsoft and review your access controls to ensure only trusted accounts have elevated permissions.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| microsoft | azure arc | - |
| microsoft | azure_arc |
All versions
cpe:2.3:a:microsoft:azure_arc:-:*:*:*:*:*:*:* |
Original advisory text
Azure Arc Elevation of Privilege Vulnerability
Incorrect authorization in Azure Arc allows an unauthorized attacker to elevate privileges over a network.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69555 vendor-advisory patch
Severity
10.0
Critical
CVSS 3.1: 10.0 (MITRE)
Exploitation
EPSS <1%
Type
CWE-863Incorrect Authorization
Timeline
Published20 Aug 2026
Updated1 Sep 2026
First seen20 Aug 2026
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