What is CVE-2026-81240?

CVE-2026-81240 is a high-severity vulnerability in Dell Wyse Management Suite, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.6/10. Published 2026-09-15.

How severe is CVE-2026-81240?

High severity. CVSS v3 base score is 8.6 out of 10.

Arbitrary file upload in Dell Wyse Management Suite

CVE-2026-81240

Dell Wyse Management Suite, versions prior to 2605.0.3.683, contain an Unrestricted Upload of File with Dangerous Type vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Remote execution.

Vulnerability class: Unrestricted File Upload

Published 2026-09-15 · last modified 2026-09-21.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L.

EPSS exploit prediction

EPSS: 0.004 (34.5th percentile), scored 2026-10-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

www.dell.com/support/kbdoc/en-us/000502744/dsa-2026-387-security-update-for-del… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-81240?: CVE-2026-81240 is a high-severity vulnerability in Dell Wyse Management Suite, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.6/10. Published 2026-09-15.
How severe is CVE-2026-81240?: High severity. CVSS v3 base score is 8.6 out of 10.