# CVE-2026-63028: Intel TDX Migration Trust Domain improper initialization in virtio-vsock

Source: https://junglewise.ai/threats/cve-2026-63028-improper-initialization-in-the-migtd-virtio-vsock-stream-handling  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-63028 · Severity: info · Published 2026-11-10

Intel's TDX Migration Trust Domain (MigTD) is a hypervisor component that securely migrates trusted execution environments. An improper initialization vulnerability in the virtio-vsock stream handling could allow an attacker with local system-level access to corrupt data or cause service disruption.

Technologies: [Intel TDX Migration Trust Domain (MigTD)](https://junglewise.ai/threats/technologies/tdx-migration-trust-domain-migtd). Vendors: [Intel](https://junglewise.ai/threats/vendors/intel).

## Quick answers

**Is CVE-2026-63028 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-63028 being exploited in the wild.

**How severe is CVE-2026-63028?** Informational severity, published 10 November 2026.

**Which products and versions are affected?** Intel TDX Migration Trust Domain (MigTD).

**Is there a fix for CVE-2026-63028?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-63028 attacked?** It is attacked with local access, in device firmware.

**Am I affected by CVE-2026-63028?** Check whether you run Intel TDX Migration Trust Domain (MigTD). 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.

## Technical details

Improper initialization in MigTD virtio-vsock stream handling within Ring 0 Hypervisor allows data corruption via uninitialized resources. The vulnerability requires local system software adversary access with low attack complexity and no user interaction. Exploitation can impact integrity and availability of the vulnerable system, though impact is rated as low.

## Affected products

- Intel TDX Migration Trust Domain (MigTD)

## Timeline

- 2026-11-10: disclosed

## References

- [https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01580.html](https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01580.html)

## Related threats

- [Intel TDX Migration Trust Domain hypervisor denial of service](https://junglewise.ai/threats/cve-2026-63027-incorrect-behavior-order-in-the-get-tcb-level-by-svn-for-the)
- [Intel TDX Migration Trust Domain TLS unchecked return value DoS](https://junglewise.ai/threats/cve-2026-62930-unchecked-return-value-in-the-migtd-s-tls-implementation-for-the)
- [Intel TDX Migration Trust Domain expired pointer dereference](https://junglewise.ai/threats/cve-2026-62929-expired-pointer-dereference-in-the-migtd-s-virtio-vsock)
- [Intel TDX Migration Trust Domain multiple vulnerabilities](https://junglewise.ai/threats/cve-2026-62920-unchecked-return-value-in-the-migtd-error-handling-for-the-intel)
- [Intel TDX Migration Trust Domain error handling in vmcall_raw transport](https://junglewise.ai/threats/cve-2026-62275-detection-of-error-condition-without-action-in-the-migtd-s-vmcall)