CVE-2026-9258highCWE-295

CVE-2026-9258: high-severity vulnerability in Canon Inc. EOS Network Setting Tool for macOS

Published · Updated

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.1epss 0.5%
exploitation probability
0.5%top 59% of all CVEs
observed exploitation
nono source reports it
Improper validation of SSH host keys in Canon EOS Network Setting Tool Version 1.5.0 or earlier
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Affected products
Canon Inc. · EOS Network Setting Tool for macOSCanon Inc. · EOS Network Setting Tool for Windows
Related CVEs — Canon Inc. EOS Network Setting Tool for macOS

In the same product, most dangerous first.

CVE-2026-9262HIGHCVE-2026-9262EPSS 0.5%CVE-2026-9260MEDIUMCVE-2026-9260EPSS 0.4%CVE-2026-9259HIGHCVE-2026-9259EPSS 0.3%CVE-2026-9261HIGHCVE-2026-9261EPSS 0.3%
References
https://canon.jp/support/support-info/260615vulnerability-responsehttps://psirt.canon/advisory-information/cp2026-005/https://www.canon-europe.com/support/product-security/https://www.usa.canon.com/about-us/to-our-customers/cpa2026-005-vulnerability-remediation-for-eos-network-setting-tool