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
18%
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-8.0 (8.0.46-0ubuntu0.22.04.4) @ jammy2026-09-14ubuntu
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 20× in last 7d / 89× 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 165 total refreshes for this CVE.

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

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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 81.5% 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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