SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-9259

Improper validation of server certificates in Canon EOS Network Setting Tool Version 1.5.0 or earlier

HIGH 7.1EPSS 0.19%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.19%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Improper validation of server certificates in Canon EOS Network Setting Tool Version 1.5.0 or earlier

CVSS 4.0
7.1 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.19% probability · 9th percentile
CISA KEV
Not listed
Weakness
CWE-295
Affected
canon/eos network setting tool
Source
f98c90f0-e9bd-4fa7-911b-51993f3571fd

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.