CVE-2026-56796 | BDVDB-2026-362452 Detail

DellDell Command Update (DCU)

Description#

Dell Command Update (DCU), versions prior to 5.7.1, contain an Improper Link Resolution Before File Access ('Link Following') vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of Privileges.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact high, availability impact low. Attack vector: local.

Weaknesses#

CWE-59 Improper Link Resolution Before File Access ('Link Following')

References#

https://www.dell.com/support/kbdoc/en-us/000501378/dsa-2026-309-security-update-for-dell-command-update-for-multiple-vulnerabilities

Exploit#

No public exploit known

History#

Version 12026-08-19Record published in the CVE List.
Version 22026-08-21Most recent update recorded in the CVE List.

Published

Published: 2026-08-19
Last modified: 2026-08-21

Vendor information

Vendor: Dell
Product: Dell Command Update (DCU)

All Dell vulnerabilities

Score

6.6 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 5.8.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 5.7.1
Fixed
5.7.1

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.6 Medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	High
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).