Microsoft Container Migration Solution Accelerator up to 2.1.2 resource injection

Summaryinfo

A vulnerability marked as critical has been reported in Microsoft Container Migration Solution Accelerator up to 2.1.2. This affects an unknown part. Performing a manipulation results in resource injection. This vulnerability is reported as CVE-2026-73298. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft Container Migration Solution Accelerator up to 2.1.2. This affects an unknown code. The manipulation with an unknown input leads to a resource injection vulnerability. CWE is classifying the issue as CWE-99. The product receives input from an upstream component, but it does not restrict or incorrectly restricts the input before it is used as an identifier for a resource that may be outside the intended sphere of control. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The Microsoft Container Migration Solution Accelerator is a multi-service application that provides a multi-agent, AI-driven migration solution for moving container service configurations to Azure Kubernetes Service. In version 2.1.2 and earlier, a security vulnerability was identified in the Container Migration Solution Accelerator, specifically an authenticated IDOR (Insecure Direct Object Reference) that allows users to read, write, and delete processes belonging to other authenticated users. The issue affects multiple API endpoints, where ownership checks are missing, enabling unauthorized access and modification of migration data across users within the same organization. The vulnerability is present in both process and file management APIs, and the application relies on Entra ID authentication but lacks proper authorization controls between users. Authenticated users are able to access, modify, and delete processes and files belonging to other users without proper authorization checks.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-73298 since 08/11/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/12/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Virtualization Software

Vendor

• Microsoft

Name

• Container Migration Solution Accelerator

Version

• 2.1.0
• 2.1.1
• 2.1.2

License

• commercial

Website

• Vendor: https://www.microsoft.com/

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