PatchTheCVECVE-2025-31356: Insufficient verification of data authenticity for some Intel(R) Trust Domain Extensions (Intel(R) TDX) within
CVE-2025-31356 is a medium-severity flaw (CVSS 5.7) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Insufficient verification of data authenticity for some Intel(R) Trust Domain Extensions (Intel(R) TDX) within Ring 0: Hypervisor may allow an information disclosure. A system software adversary with a privileged user access combined with a high complexity attack may enable data exposure. This result may potentially occur via local access when attack requirements are present without any user interaction. The potential vulnerability may impact the
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 5.7 (Medium) |
| Attack vector | Local |
| Attack complexity | High |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.1% (top 100%) |
| CISA exploited list | No |
| Weakness | CWE-345 |
| Published | 2026-08-11 |
| Last modified | 2026-09-29 |
Last updated 2026-09-29 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Advisories and coverage
Official advisories
- Google Cloud Security Bulletins: GCP-2026-053 2026-10-26
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-31356?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2025-31356 being exploited?
CVE-2025-31356 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-31356 affect?
CVE-2025-31356 affects affected software. Severity is medium (CVSS 5.7). Insufficient verification of data authenticity for some Intel(R) Trust Domain Extensions (Intel(R) TDX) within Ring 0: Hypervisor may allow an information disclosure. A system software adversary with a privileged user access combined with a
How urgent is CVE-2025-31356?
Priority 20/100. No elevated risk signals yet.