CVE-2026-66109 Missing authorization in SKYMEC IT Manager
An attacker with local access can execute arbitrary code with SYSTEM privileges due to missing authorization checks in SKYSEA Client View and SKYMEC IT Manager.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-66109?
CVE-2026-66109 is a high-severity missing authorization vulnerability in SKYMEC IT Manager, published on 25 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2026-66109?
How do I fix CVE-2026-66109?
No fix has been published for CVE-2026-66109 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-66109 being exploited?
There is no known exploitation of CVE-2026-66109 in the wild and no public exploit code.
Sources
Also known as GHSA-w323-mx8p-gxh5.