CVE-2026-26034 Privilege escalation in UPS Multi-UPS Management Console (MUMC)
An attacker can execute arbitrary code with SYSTEM privileges via DLL hijacking due to incorrect default permissions in the UPS management console.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-26034?
CVE-2026-26034 is a high-severity vulnerability in Dell Inc. UPS Multi-UPS Management Console (MUMC), published on 5 Mar 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
UPS Multi-UPS Management Console (MUMC) version 01.06.0001 (A03) contains an Incorrect Default Permissions (CWE-276) vulnerability that allows an attacker to execute arbitrary code with SYSTEM privileges by causing the application to load a specially crafted DLL.
Which versions are affected by CVE-2026-26034?
It affects 1 product.
Products include Dell Ups Multi-Ups Management Console.
How do I fix CVE-2026-26034?
No fix has been published for CVE-2026-26034 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-26034 being exploited?
There is no known exploitation of CVE-2026-26034 in the wild and no public exploit code.
Other vulnerabilities in Dell Inc. UPS Multi-UPS Management Console (MUMC)
Sources
Also known as GHSA-v2c4-w8cf-vw7m.