What’s Vulnerable › Vulnerabilities

CVE-2026-56797

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-19 · updated 2026-08-21
• Weakness: CWE-367

Description

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.

Affected products

• Dell Command Update (DCU): before 5.7.1 — fixed in 5.7.1

How to fix

Upgrade to a fixed version: Dell Command Update (DCU) 5.7.1. Check the vendor advisory for mitigations.

References

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

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