What is CVE-2026-40636?

CVE-2026-40636 is a critical-severity vulnerability in Dell Ecs, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2026-05-11.

How severe is CVE-2026-40636?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Dell Ecs

CVE-2026-40636

Dell ECS versions 3.8.1.0 through 3.8.1.7 and Dell ObjectScale versions prior to 4.3.0.0, contains a use of hard-coded credentials vulnerability. An unauthenticated attacker with local access could potentially exploit this vulnerability, l…

EPSS: 0.001 (16.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Dell Ecs — versions 0
Dell Elastic_cloud_storage
Dell Objectscale — versions 0

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

security_alert@emc.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-40636?: CVE-2026-40636 is a critical-severity vulnerability in Dell Ecs, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2026-05-11.
How severe is CVE-2026-40636?: Critical severity. CVSS v3 base score is 9.8 out of 10.