Vulnerability in Apple Macos
CVE-2026-9259
Improper validation of server certificates in Canon EOS Network Setting Tool Version 1.5.0 or earlier
Vulnerability class: Improper Certificate Validation
EPSS: 0.002 (9.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Apple Macos
- Canon Eos_network_setting_tool
- Canon Inc. Eos Network Setting Tool For Macos — versions 1.5.0 or earlier
- Canon Inc. Eos Network Setting Tool For Windows — versions 1.5.0 or earlier
- Microsoft Windows
Weakness classification (CWE)
References
- f98c90f0-e9bd-4fa7-911b-51993f3571fd (vendor-advisory, Vendor Advisory)
- f98c90f0-e9bd-4fa7-911b-51993f3571fd (vendor-advisory, Vendor Advisory)
- f98c90f0-e9bd-4fa7-911b-51993f3571fd (vendor-advisory, Vendor Advisory)
- f98c90f0-e9bd-4fa7-911b-51993f3571fd (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-9259?
- CVE-2026-9259 is a medium-severity vulnerability in Apple Macos, classified under Improper Certificate Validation. CVSS score: 6.5/10. Published 2026-06-16.
- How severe is CVE-2026-9259?
- Medium severity. CVSS v3 base score is 6.5 out of 10.