What is CVE-2026-49816?

CVE-2026-49816 is a high-severity vulnerability in Dell Command Update, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-08-19.

How severe is CVE-2026-49816?

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

Deserialization in Dell Command Update

CVE-2026-49816

Dell Command Update (DCU), versions prior to 5.7.1, contain a Deserialization of Untrusted Data vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of Privileges.

Vulnerability class: Insecure Deserialization

Published 2026-08-19 · last modified 2026-08-21.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (22.0th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.003 · change: +0.002

Affected products

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

www.dell.com/support/kbdoc/en-us/000501378/dsa-2026-309-security-update-for-del… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-49816?: CVE-2026-49816 is a high-severity vulnerability in Dell Command Update, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-08-19.
How severe is CVE-2026-49816?: High severity. CVSS v3 base score is 7.8 out of 10.