ReviewHigh

CVE-2026-69665

Sky Co., LTD. SKYSEA Client View, SKYMEC IT Manager

SKYSEA Client View and SKYMEC IT Manager contain an issue with incorrect default permissions. If this vulnerability is exploited, an attacker who can log in to a Windows system on which the affected product is installed may execute arbitrary code with SYSTEM privilege.

CVSS
8.5
EPSS
-
- percentile
CISA KEV
Not listed
Published
2026.08.25
PRIORITY ASSESSMENT

Review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 8.5

Vulnerability overview

SKYSEA Client View and SKYMEC IT Manager contain an issue with incorrect default permissions. If this vulnerability is exploited, an attacker who can log in to a Windows system on which the affected product is installed may execute arbitrary code with SYSTEM privilege.

Affected product and versions

Product
Sky Co., LTD. SKYSEA Client View, SKYMEC IT Manager
Affected versions
<= Ver.21.300.12g, <= Ver.2025.205.08a
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Sky Co., LTD. SKYSEA Client View, SKYMEC IT Manager and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE
CWE-276