Authentication Bypass Vulnerability in Intel TDX Migration Trust Domain
CVE-2026-44685

9.3CRITICAL

Key Information:

Vendor

Intel
Status
Intel(r) Tdx Migration Trust Domain (migtd)
Vendor
CVE Published:
10 November 2026

What is CVE-2026-44685?

The vulnerability allows an adversary to bypass authentication protocols in the Intel TDX Migration Trust Domain (MigTD) using a spoofing attack. This situation can lead to potential privilege escalation and unauthorized local code execution. Attackers with privileged user access can exploit this vulnerability without requiring user interaction and with minimal complexity. This can severely impact system confidentiality, integrity, and availability, posing a significant risk to affected systems.

Affected Version(s)

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

References

https://intel.com/content/www/us/en/security-center/advis...

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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