Quick answers
- Is CVE-2026-57893 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-57893 being exploited in the wild.
- How severe is CVE-2026-57893?
- Informational severity, published 10 November 2026.
- Which products and versions are affected?
- Intel TDX Migration Trust Domain.
- Is there a fix for CVE-2026-57893?
- 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-2026-57893 attacked?
- It is attacked from the adjacent network, in device firmware.
- Am I affected by CVE-2026-57893?
- Check whether you run Intel TDX Migration Trust Domain. 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
The vulnerability involves incomplete internal state distinction in MigTD's SPDM (Security Protocol and Data Model) responder running at Ring 0. An adjacent network attacker with system software privileges and low attack complexity can trigger data corruption through improper state tracking. The advisory lists multiple CVEs in this family; this specific issue (incomplete state distinction) may lead to privilege escalation or information disclosure depending on the state confusion.
Affected products
- Intel TDX Migration Trust Domain
Timeline
- 2026-11-10: disclosed