CVE-2026-9261

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 92% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.8Exploit: NoneExposed: 0

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

Use of weak SSH cryptographic algorithms in Canon EOS Network Setting Tool Version 1.5.0 or earlier

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity98% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
8.2%
KEV
Not listed

Published

June 16, 2026

Last Modified

June 18, 2026

Advisory Details (1)

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

「EOS Network Setting Tool」に関する脆弱性について｜サポート｜キヤノン

https://canon.jp/support/support-info/260615vulnerability-response

Vendor Advisories for CVE-2026-9261(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 10× in last 7d / 52× 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.

  1. 2026-07-24 14:18 UTCEPSS rescore
  2. 2026-07-23 14:18 UTCEPSS rescore
  3. 2026-07-23 03:23 UTCEG score recompute▲ 3.00
  4. 2026-07-22 14:08 UTCEPSS rescore
  5. 2026-07-21 15:25 UTCEPSS rescore
  6. 2026-07-21 15:25 UTCEPSS rescore
  7. 2026-07-20 17:08 UTCEPSS rescore
  8. 2026-07-19 14:31 UTCEPSS rescore
  9. 2026-07-19 02:29 UTCEPSS rescore
  10. 2026-07-18 10:04 UTCEPSS rescore
  11. 2026-07-16 22:44 UTCGHSA enrichment
  12. 2026-07-16 17:03 UTCEPSS rescore
  13. 2026-07-15 19:42 UTCGHSA enrichment
  14. 2026-07-15 16:57 UTCEPSS rescore
  15. 2026-07-15 02:00 UTCEPSS rescore
  16. 2026-07-14 15:22 UTCGHSA enrichment
  17. 2026-07-13 22:31 UTCEPSS rescore
  18. 2026-07-13 13:09 UTCGHSA enrichment
  19. 2026-07-13 06:13 UTCEPSS rescore
  20. 2026-07-12 10:50 UTCGHSA enrichment
  21. 2026-07-12 05:46 UTCEPSS rescore
  22. 2026-07-11 08:32 UTCGHSA enrichment
  23. 2026-07-11 08:27 UTCEPSS rescore
  24. 2026-07-10 06:19 UTCGHSA enrichment
  25. 2026-07-09 19:10 UTCEPSS rescore
Show 48 more
  1. 2026-07-09 03:59 UTCGHSA enrichment
  2. 2026-07-08 15:16 UTCEPSS rescore
  3. 2026-07-08 01:46 UTCGHSA enrichment
  4. 2026-07-07 13:46 UTCEPSS rescore
  5. 2026-07-06 23:30 UTCGHSA enrichment
  6. 2026-07-06 16:27 UTCEPSS rescore
  7. 2026-07-06 02:23 UTCEPSS rescore
  8. 2026-07-05 21:01 UTCGHSA enrichment
  9. 2026-07-05 02:31 UTCEPSS rescore
  10. 2026-07-04 18:40 UTCGHSA enrichment
  11. 2026-07-04 06:31 UTCEPSS rescore
  12. 2026-07-04 06:31 UTCEPSS rescore
  13. 2026-07-03 14:25 UTCGHSA enrichment
  14. 2026-07-02 12:10 UTCGHSA enrichment
  15. 2026-07-01 15:07 UTCEPSS rescore
  16. 2026-07-01 09:52 UTCGHSA enrichment
  17. 2026-06-30 23:22 UTCEPSS rescore
  18. 2026-06-30 07:29 UTCGHSA enrichment
  19. 2026-06-29 14:06 UTCEPSS rescore
  20. 2026-06-29 05:14 UTCGHSA enrichment
  21. 2026-06-28 14:07 UTCEPSS rescore
  22. 2026-06-28 04:56 UTCEPSS rescore
  23. 2026-06-28 02:45 UTCGHSA enrichment
  24. 2026-06-27 03:08 UTCEPSS rescore
  25. 2026-06-27 00:31 UTCGHSA enrichment
  26. 2026-06-25 22:15 UTCGHSA enrichment
  27. 2026-06-25 13:50 UTCEPSS rescore
  28. 2026-06-24 20:01 UTCGHSA enrichment
  29. 2026-06-24 14:05 UTCEPSS rescore
  30. 2026-06-23 21:33 UTCEPSS rescore
  31. 2026-06-23 16:40 UTCGHSA enrichment
  32. 2026-06-22 14:26 UTCGHSA enrichment
  33. 2026-06-22 14:25 UTCEPSS rescore
  34. 2026-06-21 14:56 UTCEPSS rescore
  35. 2026-06-21 12:13 UTCGHSA enrichment
  36. 2026-06-21 01:59 UTCEPSS rescore
  37. 2026-06-20 09:55 UTCGHSA enrichment
  38. 2026-06-19 19:26 UTCEPSS rescore
  39. 2026-06-19 07:36 UTCGHSA enrichment
  40. 2026-06-18 17:52 UTCEPSS rescore
  41. 2026-06-18 17:22 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  42. 2026-06-18 05:13 UTCGHSA enrichment
  43. 2026-06-17 17:53 UTCEPSS rescore
  44. 2026-06-17 02:57 UTCGHSA enrichment
  45. 2026-06-16 17:53 UTCEPSS rescore
  46. 2026-06-16 15:47 UTCNVD updateCVSS v4 → 7.6 · severity → MEDIUM
  47. 2026-06-16 00:44 UTCEG score recompute
  48. 2026-06-16 00:44 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-9261?
CVE-2026-9261 is a critical vulnerability published on June 16, 2026. Use of weak SSH cryptographic algorithms in Canon EOS Network Setting Tool Version 1.5.0 or earlier
When was CVE-2026-9261 disclosed?
CVE-2026-9261 was first published in the National Vulnerability Database on June 16, 2026, with the most recent update on June 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9261 actively exploited?
CVE-2026-9261 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 8.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-9261?
CVE-2026-9261 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-9261?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9261, 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-2026-9261

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