CVE-2026-15952 Improper Permission Assignment in Scheduler Service
An attacker can exploit improper permission assignments in the ABB PCM600 scheduler service to escalate privileges or modify critical resources.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15952?
CVE-2026-15952 is a high-severity missing authorization vulnerability in ABB Protection and control IED manager (PCM600), published on 28 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Incorrect Permission Assignment for Critical Resource vulnerability in ABB Protection and control IED manager (PCM600).
This issue affects Protection and control IED manager (PCM600): through 2.14.
Weakness: CWE-732
Which versions are affected by CVE-2026-15952?
How do I fix CVE-2026-15952?
No fix has been published for CVE-2026-15952 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-2026-15952 being exploited?
There is no known exploitation of CVE-2026-15952 in the wild and no public exploit code.
Sources
Also known as GHSA-xfjh-6447-rv2j.