CVE-2025-31356

MEDIUMPre-NVD 5.75.7—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.7 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: <0.1% (below the 1st percentile of EPSS-scored CVEs). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
5.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: <0.1%CVSS: 5.7Exploit: None knownExposed services: Not assessed

No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.

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 confidentiality (high), integrity (low) and no effect on availability. Subsequent system impacts include reduced confidentiality (low), integrity (low), and no effect on availability.

CVSS v3
5.7
EG Score
5.7MEDIUMmedium confidence
EG Risk
26
EG Risk 26/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity57% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
<0.1%
EPSS %ILE
below the 1st
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 11, 2026

Last Modified

September 29, 2026

Advisory Details (1)

Auto-updated Aug 11, 2026
No patch confirmed yet.
generic

INTEL-SA-01419

https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01419.html

Vendor Advisories for CVE-2025-31356(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 54× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 101 total refreshes for this CVE.

  1. 2026-10-04 23:21 UTCEPSS rescore
  2. 2026-10-04 22:44 UTCGHSA enrichment
  3. 2026-10-03 20:57 UTCGHSA enrichment
  4. 2026-10-02 08:41 UTCGHSA enrichment
  5. 2026-09-30 22:16 UTCEG score recompute
  6. 2026-09-30 22:16 UTCGHSA enrichment
  7. 2026-09-30 15:02 UTCEPSS rescore
  8. 2026-09-29 15:19 UTCEPSS rescore
  9. 2026-09-29 11:13 UTCGHSA enrichment
  10. 2026-09-29 05:58 UTCEG score recompute
  11. 2026-09-29 05:58 UTCGHSA enrichment
  12. 2026-09-28 13:50 UTCEPSS rescore
  13. 2026-09-28 08:11 UTCEG score recompute
  14. 2026-09-28 08:11 UTCGHSA enrichment
  15. 2026-09-27 10:13 UTCEG score recompute
  16. 2026-09-27 10:13 UTCGHSA enrichment
  17. 2026-09-26 15:58 UTCEPSS rescore
  18. 2026-09-26 15:58 UTCEPSS rescore
  19. 2026-09-25 03:54 UTCEG score recompute
  20. 2026-09-25 03:54 UTCGHSA enrichment
  21. 2026-09-24 14:02 UTCEPSS rescore
  22. 2026-09-23 21:02 UTCEG score recompute
  23. 2026-09-23 21:02 UTCGHSA enrichment
  24. 2026-09-23 13:47 UTCEPSS rescore
  25. 2026-09-22 21:13 UTCGHSA enrichment
Show 75 more
  1. 2026-09-21 21:08 UTCGHSA enrichment
  2. 2026-09-20 19:27 UTCGHSA enrichment
  3. 2026-09-19 20:46 UTCGHSA enrichment
  4. 2026-09-18 22:34 UTCGHSA enrichment
  5. 2026-09-18 00:46 UTCEG score recompute
  6. 2026-09-18 00:46 UTCGHSA enrichment
  7. 2026-09-17 00:31 UTCEG score recompute
  8. 2026-09-17 00:31 UTCGHSA enrichment
  9. 2026-09-16 14:07 UTCEPSS rescore
  10. 2026-09-16 05:13 UTCEPSS rescore
  11. 2026-09-16 01:59 UTCGHSA enrichment
  12. 2026-09-14 22:41 UTCGHSA enrichment
  13. 2026-09-13 19:34 UTCGHSA enrichment
  14. 2026-09-12 21:46 UTCGHSA enrichment
  15. 2026-09-11 23:57 UTCEG score recompute
  16. 2026-09-11 23:57 UTCGHSA enrichment
  17. 2026-09-11 14:52 UTCEPSS rescore
  18. 2026-09-11 09:35 UTCEPSS rescore
  19. 2026-09-11 01:13 UTCEG score recompute
  20. 2026-09-11 01:13 UTCGHSA enrichment
  21. 2026-09-10 09:33 UTCEPSS rescore
  22. 2026-09-10 03:25 UTCGHSA enrichment
  23. 2026-09-09 05:38 UTCGHSA enrichment
  24. 2026-09-07 19:09 UTCGHSA enrichment
  25. 2026-09-06 21:22 UTCEG score recompute
  26. 2026-09-06 21:21 UTCGHSA enrichment
  27. 2026-09-06 13:46 UTCEPSS rescore
  28. 2026-09-06 13:46 UTCEPSS rescore
  29. 2026-09-05 23:31 UTCGHSA enrichment
  30. 2026-09-05 01:43 UTCEG score recompute
  31. 2026-09-05 01:43 UTCGHSA enrichment
  32. 2026-09-04 01:46 UTCGHSA enrichment
  33. 2026-09-02 23:59 UTCEG score recompute▲ 0.10
  34. 2026-09-02 23:59 UTCGHSA enrichment
  35. 2026-09-02 01:02 UTCGHSA enrichment
  36. 2026-09-01 03:15 UTCGHSA enrichment
  37. 2026-08-31 05:13 UTCGHSA enrichment
  38. 2026-08-30 07:26 UTCGHSA enrichment
  39. 2026-08-29 09:33 UTCEG score recompute
  40. 2026-08-29 09:33 UTCGHSA enrichment
  41. 2026-08-28 21:40 UTCEPSS rescore
  42. 2026-08-28 11:10 UTCEG score recompute
  43. 2026-08-28 11:09 UTCGHSA enrichment
  44. 2026-08-27 14:24 UTCEPSS rescore
  45. 2026-08-27 11:15 UTCGHSA enrichment
  46. 2026-08-26 13:27 UTCGHSA enrichment
  47. 2026-08-25 15:15 UTCGHSA enrichment
  48. 2026-08-24 17:26 UTCEG score recompute
  49. 2026-08-24 17:26 UTCGHSA enrichment
  50. 2026-08-24 14:16 UTCEPSS rescore
  51. 2026-08-23 18:33 UTCEG score recompute
  52. 2026-08-23 18:33 UTCGHSA enrichment
  53. 2026-08-23 00:18 UTCEPSS rescore
  54. 2026-08-22 20:46 UTCEG score recompute
  55. 2026-08-22 20:46 UTCGHSA enrichment
  56. 2026-08-21 23:48 UTCEPSS rescore
  57. 2026-08-21 22:58 UTCGHSA enrichment
  58. 2026-08-21 01:10 UTCGHSA enrichment
  59. 2026-08-20 03:23 UTCEG score recompute
  60. 2026-08-20 03:23 UTCGHSA enrichment
  61. 2026-08-19 05:35 UTCGHSA enrichment
  62. 2026-08-18 07:47 UTCGHSA enrichment
  63. 2026-08-17 09:59 UTCGHSA enrichment
  64. 2026-08-16 12:12 UTCGHSA enrichment
  65. 2026-08-15 14:25 UTCGHSA enrichment
  66. 2026-08-14 16:37 UTCGHSA enrichment
  67. 2026-08-13 18:49 UTCGHSA enrichment
  68. 2026-08-12 21:02 UTCGHSA enrichment
  69. 2026-08-12 14:27 UTCEG score recompute
  70. 2026-08-12 14:27 UTCGHSA enrichment
  71. 2026-08-12 14:02 UTCEG score recompute
  72. 2026-08-12 14:02 UTCGHSA enrichment
  73. 2026-08-12 13:50 UTCEPSS rescore
  74. 2026-08-11 17:43 UTCEG score recompute
  75. 2026-08-11 16:46 UTCEG score recompute

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Frequently asked(5)

What is CVE-2025-31356?
CVE-2025-31356 is a medium vulnerability published on August 11, 2026. 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…
When was CVE-2025-31356 disclosed?
CVE-2025-31356 was first published on August 11, 2026, with the most recent update on September 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-31356 actively exploited?
CVE-2025-31356 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a <0.1% probability of exploitation in the next 30 days (below the 1st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2025-31356?
CVE-2025-31356 has a CVSS base score of 5.7 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2025-31356?
No fix for CVE-2025-31356 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2025-31356 are linked in the Vendor Advisories panel on this page.

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