CVE-2026-7770

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-01. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.8Exploit: NoneExposed: 0

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

IBM i Access Family 1.1.5.0 through 1.1.9.12 IBM i Access Client Solutions (ACS) is vulnerable to remote code execution when configured to listen for requests from IBM i Navigator.

CVSS v3
8.8
EG Score
8.8(medium)
EPSS
35.5%
KEV
Not listed

Published

June 1, 2026

Last Modified

June 2, 2026

Advisory Details (1)

Auto-updated Jun 2, 2026
No patch confirmed yet.
generic

Security Bulletin: IBM i Access Client Solutions (ACS) is vulnerable to remote code execution when configured to listen for requests from IBM i Navigator (CVE-2026-7770)

https://www.ibm.com/support/pages/node/7274214

Vendor Advisories for CVE-2026-7770(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 16× in last 7d / 96× 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 173 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-7770?
CVE-2026-7770 is a high vulnerability published on June 1, 2026. IBM i Access Family 1.1.5.0 through 1.1.9.12 IBM i Access Client Solutions (ACS) is vulnerable to remote code execution when configured to listen for requests from IBM i Navigator.
When was CVE-2026-7770 disclosed?
CVE-2026-7770 was first published in the National Vulnerability Database on June 1, 2026, with the most recent update on June 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-7770 actively exploited?
CVE-2026-7770 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 35.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-7770?
CVE-2026-7770 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-7770?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-7770, 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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