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
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 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)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity88% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
37%
KEV
Not listed

Published

June 1, 2026

Last Modified

August 26, 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 12× in last 7d / 93× 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 236 total refreshes for this CVE.

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

Related CVEs(same CWE)

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 August 26, 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 0% probability of exploitation in the next 30 days, which ranks it in the top 62.6% of all scored CVEs.
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

Explore the affected products and dependency analysis for CVE-2026-7770

Explore →

Is Your Infrastructure Affected by CVE-2026-7770?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs