CVE-2026-59310

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2026-08-18), indicating real-world exploitation has been confirmed by US federal agencies. the CNA's CVSS baseline 9.8 retained for reference (NVD's own analysis pending). Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, cna:vmware, epss, ghsa
Trending — 4 sources updated this weekExploited in the wild
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 46%CVSS: 9.8Exploit: cisa kev · ssvc active · kev ransomware · epss top5pctExposed: 0

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

VMware vCenter contains a directory traversal vulnerability in the Syslog server. A malicious actor with network access to vCenter may exploit this issue to execute arbitrary code.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
99(Act)
EG Risk 99/100SSVC: Act

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
Severity98% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS PROB
46%
EPSS %ILE
99%
KEV
⚠ Exploited

Published

July 30, 2026

Last Modified

September 12, 2026

Advisory Details (2)

Auto-updated Sep 12, 2026
No patch confirmed yet.
generic

Support Content Notification - Support Portal - Broadcom support portal

https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-59310

Vendor Advisories for CVE-2026-59310(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 56× in last 7d / 257× 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 416 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2026-59310?
CVE-2026-59310 is a critical vulnerability published on July 30, 2026. VMware vCenter contains a directory traversal vulnerability in the Syslog server. A malicious actor with network access to vCenter may exploit this issue to execute arbitrary code.
When was CVE-2026-59310 disclosed?
CVE-2026-59310 was first published in the National Vulnerability Database on July 30, 2026, with the most recent update on September 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-59310 actively exploited?
Yes. CISA added CVE-2026-59310 to the Known Exploited Vulnerabilities catalog on August 18, 2026, affecting Broadcom VMware vCenter. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2026-59310?
CVE-2026-59310 has a CVSS v4.0 base score of 9.8 (CNA self-assessment; NVD's own analysis pending).
Which products are affected by CVE-2026-59310?
CVE-2026-59310 affects Broadcom VMware vCenter. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2026-59310?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-59310, 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.

Dependency Blast Radius

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