Intel TDX Migration Trust Domain Policy Evaluation Engine access control

Summaryinfo

A vulnerability classified as critical was found in Intel TDX Migration Trust Domain. This affects an unknown part of the component Policy Evaluation Engine. Executing a manipulation can lead to access control. This vulnerability is registered as CVE-2026-57892. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in Intel TDX Migration Trust Domain (version unknown) and classified as critical. This vulnerability affects an unknown function of the component Policy Evaluation Engine. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Insufficient granularity of access control in the MigTD v2 policy evaluation engine for the Intel(R) TDX Migration Trust Domain (MigTD) within Ring 0: Hypervisor may allow an escalation of privilege. Network adversary with an unauthenticated user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via adjacent access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (high) and availability (none) impacts.

The advisory is available at intel.com. This vulnerability was named CVE-2026-57892 since 07/17/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 11/10/2026). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Intel

Name

• TDX Migration Trust Domain

License

• commercial

Website

• Vendor: https://www.intel.com/

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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