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CVE-2026-39454

Published: Apr 20, 2026Updated: May 12, 2026 Sources: CVE List NVDCWE-276
NVD MITRE
7.8CVSSHIGH
EPSS Score
0.1%
Top 98.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

SKYSEA Client View and SKYMEC IT Manager provided by Sky Co.,LTD. configure the installation folder with improper file access permission settings. A non-administrative user may manipulate and/or place arbitrary files within the installation folder of the product. As a result, arbitrary code may be executed with the administrative privilege.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-276CWE-863

Affected Products

skymec it managerskygroup
Mixed
Enterprise Software / collaboration-groupware
skysea client viewskygroup
Mixed
Enterprise Software / collaboration-groupware
SKYSEA Client ViewSky Co.,LTD.
Mixed
Enterprise Software
SKYMEC IT ManagerSky Co.,LTD.
Mixed
Enterprise Software
skygroupcommercialEnterprise Software
sky co.,ltd.commercialEnterprise Softwareaka skyco,ltd, sky co ltd

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

3 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://jvn.jp/en/jp/JVN63376363/
jvn.jp
https://www.skyseaclientview.net/news/260420_01/
skyseaclientview.net

Timeline

Published
Apr 20, 2026
Last Updated
May 12, 2026

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