CVE-2026-39454
Privilege escalation via insecure install folder permissions in SkySea SKYMEC IT Manager.
Is CVE-2026-39454 being exploited?
Not confirmed. CVE-2026-39454 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.11% probability of exploitation in the next 30 days.
How severe is CVE-2026-39454?
CVE-2026-39454 is rated High with a CVSS score of 8.5. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-39454?
Yes. A fix has been recorded for CVE-2026-39454. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-39454 affect?
CVE-2026-39454 affects SkySea Client View, SKYMEC IT Manager. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-39454?
Patch when released; restrict install-folder write access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Arbitrary code execution with admin privileges via manipulated install folder.
Patch when possible
- affectedVer.2024.005.10a and earlier
- affectedVer.21.200.07j and earlier
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.