What is CVE-2026-40639?

CVE-2026-40639 is a medium-severity vulnerability, classified under Weak Encoding for Password. CVSS score: 5.7/10. Published 2026-06-09.

How severe is CVE-2026-40639?

Medium severity. CVSS v3 base score is 5.7 out of 10.

CVE-2026-40639

CVE-2026-40639

Dell Client Platform BIOS contains a Weak Encoding for Password vulnerability. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Elevation of Privileges.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Weakness classification (CWE)

CWE-261 — Weak Encoding for Password

References

security_alert@emc.com

Frequently asked questions

What is CVE-2026-40639?: CVE-2026-40639 is a medium-severity vulnerability, classified under Weak Encoding for Password. CVSS score: 5.7/10. Published 2026-06-09.
How severe is CVE-2026-40639?: Medium severity. CVSS v3 base score is 5.7 out of 10.