Critical severity · published Jun 15, 2026
CVE-2026-9261
Use of weak SSH cryptographic algorithms in Canon EOS Network Setting Tool Version 1.5.0 or earlier
9.8
CVSS
0.2%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EN
EOS Network Setting Tool for Windows · Canon Inc.
1.5.0 or earlier · source: vendor
EN
EOS Network Setting Tool for macOS · Canon Inc.
1.5.0 or earlier · source: vendor
EN
Eos Network Setting Tool · Canon
before 1.5.1 · source: NVD
Affected product
EN
EOS Network Setting Tool for macOS
Canon Inc.
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-9261
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-9261
Vendor Advisory
https://canon.jp/support/support-info/260615vulnerability-response
Vendor Advisory
https://psirt.canon/advisory-information/cp2026-005/
Vendor Advisory
https://www.canon-europe.com/support/product-security/
Vendor Advisory
https://www.usa.canon.com/about-us/to-our-customers/cpa2026-005-vulnerability-remediation-for-eos-network-setting-tool
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