What is CVE-2026-26034?

CVE-2026-26034 is a high-severity vulnerability in Dell Ups Multi-Ups Management Console, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2026-03-05.

How severe is CVE-2026-26034?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Dell Ups Multi-Ups Management Console

CVE-2026-26034

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.

Published 2026-03-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (7.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Dell Ups Multi-Ups Management Console — versions 01.06.0001_(a03), 01.06.0001_\(a03\)
Dell Inc. Ups Multi-Ups Management Console (Mumc) — versions 01.06.0001 (A03)

Weakness classification (CWE)

References

www.dell.com/support/home/en-us/drivers/driversdetails (Product)
jvn.jp/en/jp/JVN56544509/ (Third Party Advisory)

Frequently asked questions

What is CVE-2026-26034?: CVE-2026-26034 is a high-severity vulnerability in Dell Ups Multi-Ups Management Console, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2026-03-05.
How severe is CVE-2026-26034?: High severity. CVSS v3 base score is 7.8 out of 10.