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9.9
CVE-2026-50515: Azure Service Bus Allows Authorized Attackers to Execute Code Remotely
CVE-2026-50515 · published 28 days ago
Summary
An attacker with authorized access to Azure Service Bus can potentially execute malicious code on a network. This is a concern because it could allow unauthorized actions. To protect your system, ensure that you only allow trusted data to be deserialized in Azure Service Bus.
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 service bus | - |
| microsoft | azure_service_bus |
All versions
cpe:2.3:a:microsoft:azure_service_bus:-:*:*:*:*:*:*:* |
Original advisory text
Azure Service Bus Remote Code Execution Vulnerability
Deserialization of untrusted data in Azure Service Bus allows an authorized attacker to execute code over a network.
Severity
9.9
Critical
CVSS 3.1: 9.9 (NVD)
Exploitation
EPSS 1%
Type
CWE-502Deserialization of Untrusted Data
Timeline
Published6 Aug 2026
Updated30 Aug 2026
First seen7 Aug 2026
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