Quick answers
- Is CVE-2026-55709 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-55709 being exploited in the wild.
- How severe is CVE-2026-55709?
- Informational severity, published 10 November 2026.
- Which products and versions are affected?
- Intel TDX Migration Trust Domain (MigTD).
- Is there a fix for CVE-2026-55709?
- 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-2026-55709 attacked?
- It is attacked with local access, in device firmware.
- Am I affected by CVE-2026-55709?
- 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
CVE-2026-55709 is an infinite loop vulnerability in the MigTD's GetQuote function within the hypervisor ring 0 layer. The loop lacks a reachable exit condition, allowing a privileged system software adversary to trigger indefinite execution and cause denial of service. This affects only availability; no information disclosure or privilege escalation is possible through this specific flaw.
Affected products
- Intel TDX Migration Trust Domain (MigTD)
Timeline
- 2026-11-10: disclosed