CVE-2026-66109A missing authorization vulnerability exists in SKYSEA Client View and SKYMEC IT Manager.
Updated under an hour ago ()
Does this affect you?
It affects Sky Co., LTD. SKYSEA Client View and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
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
- 8.5 HIGH (v4.0, CNA)CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-862
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- jpcert
- NVD analysis
- Deferred
- Record last updated
- Aug 25, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Sky Co., LTD. SKYSEA Client View sky:skysea_client_view (from the name) | through Ver.21.210.01f | CNA record |
Sky Co., LTD. SKYMEC IT Manager sky:skymec_it_manager (from the name) | 2023.225.03a; 2024.005.10a | CNA record |
References
- https://www.skyseaclientview.net/news/260824_01/
- https://jvn.jp/en/jp/JVN33423625/
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.