CVE-2026-26033 Privilege escalation in UPS Multi-UPS Management Console (MUMC)
A local attacker with directory write access can execute arbitrary code with SYSTEM privileges due to an unquoted search path vulnerability.
- 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-2026-26033?
CVE-2026-26033 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, with no action from the victim.
Official description
UPS Multi-UPS Management Console (MUMC) version 01.06.0001 (A03) contains an Unquoted Search Path or Element (CWE-428) vulnerability, which allows a user with write access to a directory on the system drive to execute arbitrary code with SYSTEM privileges.
Weakness: CWE-428
Which versions are affected by CVE-2026-26033?
It affects 1 product.
Products include Dell Ups Multi-Ups Management Console.
How do I fix CVE-2026-26033?
No fix has been published for CVE-2026-26033 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-26033 being exploited?
There is no known exploitation of CVE-2026-26033 in the wild and no public exploit code.
Other vulnerabilities in Dell Inc. UPS Multi-UPS Management Console (MUMC)
Sources
Also known as GHSA-3757-h85m-r4vw.