CVE-2026-46863

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-17. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

A fix is available — apply it.

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Connection Handling). Supported versions that are affected are MySQL Server: 8.4.0-8.4.9, 9.0.0-9.7.0; MySQL Cluster: 8.0.11-8.0.46, 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows unauthenticated 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 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
39%
KEV
Not listed

Published

June 17, 2026

Last Modified

June 18, 2026

References (1)

Vendor Advisories for CVE-2026-46863(1)

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

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntumysql-testsuite-8.0 (8.0.46-0ubuntu0.20.04.1+esm3) @ focal2026-09-14ubuntu
ubuntumysql-testsuite (8.4.10-0ubuntu0.26.04.1) @ resolute2026-09-14ubuntu

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.

All Vendor Advisories

(2)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 9× in last 7d / 53× 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 303 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-46863?
CVE-2026-46863 is a high vulnerability published on June 17, 2026. Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Connection Handling). Supported versions that are affected are MySQL Server: 8.4.0-8.4.9, 9.0.0-9.7.0; MySQL Cluster: 8.0.11-8.0.46, 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows…
When was CVE-2026-46863 disclosed?
CVE-2026-46863 was first published in the National Vulnerability Database on June 17, 2026, with the most recent update on June 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-46863 actively exploited?
CVE-2026-46863 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 60.6% of all scored CVEs.
What is the CVSS score of CVE-2026-46863?
CVE-2026-46863 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-46863?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-46863, 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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