INTEL TDX MIGRATION TD (MIGTD) REFERENCE SOFTWARE · CVE-2026-56432 · Infrastructure
FIX → 0.7.2 ✓ verified
Intel advisory INTEL-SA-01580 (one of a batch of MigTD CVEs) covers a confused-deputy flaw in MigTD signing. A privileged system-software attacker could escalate privileges; CVSS 4.0 is 8.2. Fixed in MigTD 0.7.2.
first public Nov 10, 2026 · 2 sources
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Intel's advisory INTEL-SA-01580 lists all versions of the Intel TDX Migration Trust Domain (MigTD) reference software before 0.7.2 as affected. It matters for cloud providers and operators who run TDX hosts with TD live migration, where an attacker with privileged system software (hypervisor) access could escalate privileges. Systems that do not use MigTD or TDX live migration can skip it.
Not affected if managed-hosting, no-tdx-migration
Who cares confidential-computing, hypervisor, intel-tdx, migtd
0.7.2 is affectedUpgrade to 0.7.2
Update Intel TDX Migration TD (MigTD) reference software to version 0.7.2 or later (GitHub release ).
Unintended proxy or intermediary ('confused deputy') in the MigTD signing for the Intel(R) TDX Migration Trust Domain (MigTD) within Ring 0: Hypervisor may allow an escalation of privilege. System software adversary with a privileged user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (high) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (high) and availability (none) impacts.
This page as .md · .json · CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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v0.7.2NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.