CVE-2026-47064

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-07-22. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0

A fix is available — apply it.

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are MySQL Server: 8.4.0-8.4.10, 9.7.0-9.7.1; MySQL Cluster: 8.0.0-8.0.47, 8.4.0-8.4.10 and 9.7.0-9.7.1. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: Track

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
Severity65% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
19%
KEV
Not listed

Published

July 21, 2026

Last Modified

July 27, 2026

References (1)

Vendor Advisories for CVE-2026-47064(4)

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

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntumysql-testsuite (8.4.11-0ubuntu0.26.04.1) @ resolute2026-09-20ubuntu
redhatmysql:8.4-8100020260812072430.489197e62026-08-19redhat
redhatmysql:8.4-9080020260812072812.rhel92026-08-19redhat
redhatmysql8.4-0:8.4.11-1.el10_22026-08-18redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

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

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 16× in last 7d / 84× 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 181 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-47064?
CVE-2026-47064 is a medium vulnerability published on July 21, 2026. Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are MySQL Server: 8.4.0-8.4.10, 9.7.0-9.7.1; MySQL Cluster: 8.0.0-8.0.47, 8.4.0-8.4.10 and 9.7.0-9.7.1. Easily exploitable vulnerability allows low…
When was CVE-2026-47064 disclosed?
CVE-2026-47064 was first published in the National Vulnerability Database on July 21, 2026, with the most recent update on July 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-47064 actively exploited?
CVE-2026-47064 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 81.2% of all scored CVEs.
What is the CVSS score of CVE-2026-47064?
CVE-2026-47064 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-47064?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-47064, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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