CVE-2026-53406

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-12. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
7.8EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 7.8Exploit: 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 in Remote Control for Zoom Contact Center for Windows before version 7.0.0 may allow an authenticated user to enable an escalation of privilege via local access.

CVSS v3
7.8
EG Score
7.8HIGHmedium confidence
EG Risk
40
EG Risk 40/100

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
Severity78% × 45%
Exploitation0% × 40%
Automatability30% × 15%
EPSS PROB
0.1%
EPSS %ILE
1st
KEV
Not listed

Published

June 12, 2026

Last Modified

June 29, 2026

Vendor Advisories for CVE-2026-53406(1)

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 7× in last 7d / 21× 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 202 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-53406?
CVE-2026-53406 is a high vulnerability published on June 12, 2026. Insufficient Verification of Data Authenticity in Remote Control for Zoom Contact Center for Windows before version 7.0.0 may allow an authenticated user to enable an escalation of privilege via local access.
When was CVE-2026-53406 disclosed?
CVE-2026-53406 was first published on June 12, 2026, with the most recent update on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-53406 actively exploited?
CVE-2026-53406 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (1st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-53406?
CVE-2026-53406 has a CVSS base score of 7.8 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-53406?
No fix for CVE-2026-53406 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-2026-53406 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-53406

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