CVE-2026-53477 PUBLISHED

Assigner: dell
Reserved: 09.06.2026 Published: 19.08.2026 Updated: 19.08.2026

Dell Command Update (DCU), versions prior to 5.7.1, contain 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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 7.8

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

CVSS 3.1

Product Status

Vendor	Dell
Product	Dell Command Update (DCU)
Versions	Default: unaffected affected from 0 to 5.7.1 (excl.)

Credits

Dell would like to thank Johannes Hatting for reporting this issue. finder

References

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

Problem Types

CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition CWE