CVE-2026-62929: Intel TDX Migration Trust Domain expired pointer dereference

CVE-2026-62929 · Severity: info · Published 2026-11-10

Intel's TDX Migration Trust Domain (MigTD) is hypervisor software that supports secure migration of trusted execution environments. An expired pointer dereference in its virtio-vsock implementation could allow a privileged local attacker to escalate privileges and read sensitive system data. The vulnerability requires elevated system software access but poses a high risk to confidentiality and integrity of the affected system.

Technologies: Intel TDX Migration Trust Domain (MigTD). Vendors: Intel.

Quick answers

Is CVE-2026-62929 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-62929 being exploited in the wild.
How severe is CVE-2026-62929?
Informational severity, published 10 November 2026.
Which products and versions are affected?
Intel TDX Migration Trust Domain (MigTD).
Is there a fix for CVE-2026-62929?
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-2026-62929 attacked?
It is attacked with local access, in device firmware.
Am I affected by CVE-2026-62929?
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

An expired pointer dereference in MigTD's virtio-vsock implementation within Ring 0 allows privilege escalation and information disclosure. The vulnerability is exploitable by a system software adversary with high privileges via local access, with low attack complexity and no user interaction required. This affects the confidentiality, integrity, and availability of the hypervisor.

Affected products

  • Intel TDX Migration Trust Domain (MigTD)

Timeline

  • 2026-11-10: disclosed

References

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