CVE-2026-66109
High
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.
SeverityHigh
CVSS8.5
Exploit probability—
ProductSKYSEA Client View
PublishedAug 25, 2026
First seenAug 25, 2026
Weakness typeCWE-862Missing authorization
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Sky Co., LTD. SKYSEA Client View | v ≤ Ver.21.210.01f | — |
| Sky Co., LTD. SKYMEC IT Manager | 2023.225.03a, 2024.005.10a | — |
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