Privilege Escalation in Intel TDX Migration Trust Domain
CVE-2026-56432

8.2HIGH

Key Information:

Vendor

Intel

Vendor
CVE Published:
10 November 2026

What is CVE-2026-56432?

An unintended proxy or intermediary ('confused deputy') within the Intel TDX Migration Trust Domain may facilitate unauthorized privilege escalation. This vulnerability exists due to system software interactions involving a privileged user, which could allow a low complexity attack to succeed. Notably, this attack can be executed through local access without special internal knowledge or user interaction, raising significant security concerns. The implications of this vulnerability can severely affect the integrity of the system, potentially compromising sensitive data.

Affected Version(s)

Intel(R) TDX Migration Trust Domain (MigTD) See references

References

CVSS V4

Score:
8.2
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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