Intel TDX Workload Attestation Software certificate validation

Summaryinfo

A vulnerability labeled as problematic has been found in Intel TDX Workload Attestation Software. This affects an unknown function. Executing a manipulation can lead to certificate validation. This vulnerability is registered as CVE-2026-42067. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Intel TDX Workload Attestation Software (the affected version unknown). It has been declared as problematic. This vulnerability affects an unknown part. The manipulation with an unknown input leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect integrity. CVE summarizes:

Improper certificate validation for some Intel(R) TDX Workload Attestation software within Ring 3: User Applications may allow an escalation of privilege. Unprivileged software adversary with an unauthenticated user combined with a low complexity attack may enable data manipulation. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (high) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

The advisory is available at intel.com. This vulnerability was named CVE-2026-42067 since 05/15/2026. The exploitation appears to be difficult. 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 T1587.003 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.

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Productinfo

Vendor

• Intel

Name

• TDX Workload Attestation Software

License

• commercial

Website

• Vendor: https://www.intel.com/

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