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9.3
CVE-2026-70009: Azure Arc may let attackers gain higher privileges
CVE-2026-70009 · published 11 days ago
Summary
Azure Arc does not properly restrict file paths, allowing a remote attacker to move outside intended directories and increase their access rights. This could let an unauthorized user perform actions reserved for administrators. Apply the latest security updates from Microsoft and review network restrictions to limit exposure.
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
Improper limitation of a pathname to a restricted directory ('path traversal') in Azure Arc allows an unauthorized attacker to elevate privileges over a network.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70009 vendor-advisory patch
Severity
9.3
Critical
CVSS 3.1: 9.3 (NVD)
Exploitation
EPSS <1%
Type
CWE-22Path Traversal
Timeline
Published17 Sep 2026
Updated27 Sep 2026
First seen17 Sep 2026
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