CVE-2026-56797

HIGH 7.3

CVSS Score

7.3

EPSS Score

0.0%

EPSS Percentile

0th

Dell Command Update (DCU), versions prior to 5.7.1, a Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of Privileges.

CWE	CWE-367
Vendor	dell
Product	dell command update (dcu)
Published	Aug 19, 2026

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CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Dell / Dell Command Update (DCU)

0 < 5.7.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Dell would like to thank SuperDevSecurity for reporting this issue.