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CVE-2026-9259

CVE-2026-9259

CVSS 7.1 HIGHEPSS 0.2%CWE-295
Improper validation of server certificates 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

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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