# 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.

- **Severity:** High 8.4 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 5 Mar 2026
- **Updated:** 5 Mar 2026
- **Also known as:** GHSA-3757-h85m-r4vw

## 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 (Unquoted Search Path or Element)

## Which versions are affected by CVE-2026-26033?

It affects 1 product.


Products: 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)

- [CVE-2026-26034](https://insights.sbomify.com/CVE-2026-26034/): Privilege escalation in UPS Multi-UPS Management Console (MUMC) (high 8.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-26033 and fix it if it is affected.

What it is: 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.
Exploitation: There is no known exploitation of CVE-2026-26033 in the wild and no public exploit code.

Affected product: Dell Inc. UPS Multi-UPS Management Console (MUMC). No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-26033/ (Markdown: https://insights.sbomify.com/CVE-2026-26033/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-26033
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-26033
- OSV: https://osv.dev/vulnerability/CVE-2026-26033

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-26033/
Summaries are generated and may contain mistakes; the official description above is the record.