Vulnerability in Dell Command Update
CVE-2026-56797
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.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (1.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.5% 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: 0.001 · change: +0.000
Affected products
Weakness classification (CWE)
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-2026-56797?
- CVE-2026-56797 is a high-severity vulnerability in Dell Command Update, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.3/10. Published 2026-08-19.
- How severe is CVE-2026-56797?
- High severity. CVSS v3 base score is 7.3 out of 10.