Is CVE-2026-42067 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-42067 being exploited in the wild.

How severe is CVE-2026-42067?

Medium severity, with a CVSS score of 4, published 10 November 2026.

Which products and versions are affected?

tdx_workload_attestation (crates.io) SEMVER:introduced=0.0.0-0,fixed=0.2.0; Intel TDX Workload Attestation software before 0.2.0.

Is there a fix for CVE-2026-42067?

Yes. tdx_workload_attestation (crates.io): upgrade to 0.2.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-42067 attacked?

It is attacked with local access, in a hosted service.

Am I affected by CVE-2026-42067?

Check whether you run tdx_workload_attestation (crates.io) or Intel TDX Workload Attestation software at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-42067: Intel TDX Workload Attestation certificate validation bypass

CVE-2026-42067 · Severity: medium · CVSS 4 · Published 2026-11-10

Intel TDX Workload Attestation software is used to verify the authenticity and integrity of trusted execution environments on Intel systems. Improper certificate validation allows an unprivileged local attacker to manipulate data and compromise system integrity without requiring authentication or user interaction.

Vendors: crates.io, Intel.

Quick answers

Is CVE-2026-42067 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-42067 being exploited in the wild.
How severe is CVE-2026-42067?: Medium severity, with a CVSS score of 4, published 10 November 2026.
Which products and versions are affected?: tdx_workload_attestation (crates.io) SEMVER:introduced=0.0.0-0,fixed=0.2.0; Intel TDX Workload Attestation software before 0.2.0.
Is there a fix for CVE-2026-42067?: Yes. tdx_workload_attestation (crates.io): upgrade to 0.2.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-42067 attacked?: It is attacked with local access, in a hosted service.
Am I affected by CVE-2026-42067?: Check whether you run tdx_workload_attestation (crates.io) or Intel TDX Workload Attestation software at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

tdx_workload_attestation (crates.io): upgrade to 0.2.0 or later
```
cargo update -p tdx_workload_attestation
```

Technical details

An improper certificate validation vulnerability in Intel TDX Workload Attestation's Ring 3 user applications allows integrity compromise via local access. An unauthenticated attacker with low complexity attack requirements can manipulate data; the CVSS vector indicates attack potential requiring specific system conditions (CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N). A patch is available in version 0.2.0.

Affected products

Intel TDX Workload Attestation software before 0.2.0

Identifiers

CVE-2026-42067
GHSA-w4mf-755j-wjwc
RUSTSEC-2026-0481

Timeline

2026-11-10: disclosed

References

https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01520.html

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