CVE-2026-66109

HIGHCVSS 8.5/10EPSS 0.16%

Last modified

CVE-2026-66109 is a high-severity vulnerability rated 8.5/10 on the CVSS scale. 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.. EPSS estimates a 0.16% chance of exploitation in the next 30 days.

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Sky Co., LTD.SKYSEA Client View<= Ver.21.210.01f
Sky Co., LTD.SKYMEC IT Manager2023.225.03a; 2024.005.10a

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-66109?
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.
How severe is CVE-2026-66109?
CVE-2026-66109 has a CVSS score of 8.5/10 (HIGH severity). The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.
How do I fix CVE-2026-66109?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST