CVE-2026-48303

CRITICALPre-NVD 10.010.0—
EchelonGraph scoreHIGH confidence

Score 10.0 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-09. a secondary CVSS source baseline 10.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
10.0
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 10.0Exploit: NoneExposed: 0

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

Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by an Incorrect Authorization vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction. Scope is changed.

CVSS v3
10.0
EG Score
10.0(high)
EPSS
42.2%
KEV
Not listed

Published

June 9, 2026

Last Modified

June 12, 2026

References (1)

Vendor Advisories for CVE-2026-48303(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 58× in last 7d / 308× 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 308 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-48303?
CVE-2026-48303 is a critical vulnerability published on June 9, 2026. Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by an Incorrect Authorization vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction. Scope is changed.
When was CVE-2026-48303 disclosed?
CVE-2026-48303 was first published in the National Vulnerability Database on June 9, 2026, with the most recent update on June 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-48303 actively exploited?
CVE-2026-48303 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 42.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-48303?
CVE-2026-48303 has a CVSS v3 base score of 10.0 (NVD).
How do I remediate CVE-2026-48303?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-48303, 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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