VulnerabilityDeferred

CVE-2026-66109

A missing authorization vulnerability exists in SKYSEA Client View and SKYMEC IT Manager.

HIGH 8.5EPSS 0.16%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A missing authorization vulnerability exists in SKYSEA Client View and SKYMEC IT Manager. If this vulnerability is exploited, an attacker who can log in to the Windows system on which the affected product is installed may execute arbitrary code with SYSTEM privilege.

CVSS 4.0: 8.5 HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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: 0.16% probability · 6th percentile
CISA KEV: Not listed
Weakness: CWE-862
Source: vultures@jpcert.or.jp

References

https://jvn.jp/en/jp/JVN33423625/
https://www.skyseaclientview.net/news/260824_01/

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