CVE-2026-40639

Weak Password Encoding in Dell BIOS Enables Privilege Escalation

Published Jun 9, 2026 CVSS 3.1 · 5.7 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Dell
Dell dell Precision 3630 Tower
Dell edge Gateway 3000
Dell edge Gateway 5000
Dell embedded Box Pc 3000
Dell embedded Box Pc 5000
Dell latitude 7220 Rugged Extreme
Dell latitude Rugged 5420
Dell latitude Rugged 5424
Dell latitude Rugged 7220ex
Dell latitude Rugged 7424
Dell precision 3930 Rack
Vendors & Products Dell
Dell dell Precision 3630 Tower
Dell edge Gateway 3000
Dell edge Gateway 5000
Dell embedded Box Pc 3000
Dell embedded Box Pc 5000
Dell latitude 7220 Rugged Extreme
Dell latitude Rugged 5420
Dell latitude Rugged 5424
Dell latitude Rugged 7220ex
Dell latitude Rugged 7424
Dell precision 3930 Rack
Type Values Removed Values Added
Title Weak Password Encoding in Dell BIOS Enables Privilege Escalation
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Weaknesses CWE-261
References
Metrics cvssV3_1

{'score': 5.7, 'vector': 'CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}