Dell Client Platform BIOS Weak Encoded Password Vulnerability (CVE-2026-40639) Security Update

Dell Client Platform BIOS Weakly Encoded Password Vulnerability Security Update Vulnerability Overview Vulnerability ID: CVE-2026-40639 CVSS Score: 5.7 CVSS Vector String: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Vulnerability Description: Dell client platform BIOS contains a weakly encoded password vulnerability. An unauthenticated attacker with physical access may leverage this vulnerability to achieve privilege escalation. Affected Products Affected Products: - Dell Edge Gateway 3000 - Dell Edge Gateway 5000 - DELL EMBEDDED PC 3000 - DELL EMBEDDED PC 5000 - Dell Precision 3630 Tower - Dell Precision 3930 Rack - Latitude 7220 Rugged Extreme - Latitude Rugged 5420 - Latitude Rugged 5424 - Latitude Rugged 7220EX - Latitude Rugged 7424 - Precision 3930 Rack Remediation Fixed Versions: - Dell Edge Gateway 3000: Version 1.26.0 or later - Dell Edge Gateway 5000: Version 1.36.0 or later - DELL EMBEDDED PC 3000: Version 1.32.0 or later - DELL EMBEDDED PC 5000: Version 1.33.0 or later - Dell Precision 3630 Tower: Version 2.40.0 or later - Dell Precision 3930 Rack: Version 2.43.0 or later - Latitude 7220 Rugged Extreme: Version 1.51.0 or later - Latitude Rugged 5420: Version 1.42.0 or later - Latitude Rugged 5424: Version 1.42.0 or later - Latitude Rugged 7220EX: Version 1.51.0 or later - Latitude Rugged 7424: Version 1.42.0 or later - Precision 3930 Rack: Version 2.43.0 or later Release Date: - Dell Edge Gateway 3000: June 9, 2026 - Dell Edge Gateway 5000: June 9, 2026 - DELL EMBEDDED PC 3000: June 9, 2026 - DELL EMBEDDED PC 5000: June 9, 2026 - Dell Precision 3630 Tower: June 4, 2026 - Dell Precision 3930 Rack: June 4, 2026 - Latitude 7220 Rugged Extreme: June 8, 2026 - Latitude Rugged 5420: June 8, 2026 - Latitude Rugged 5424: June 8, 2026 - Latitude Rugged 7220EX: June 8, 2026 - Latitude Rugged 7424: June 8, 2026 - Precision 3930 Rack: June 4, 2026 Update Links: - Dell Edge Gateway 3000 - Dell Edge Gateway 5000 - DELL EMBEDDED PC 3000 - DELL EMBEDDED PC 5000 - Dell Precision 3630 Tower - Dell Precision 3930 Rack - Latitude 7220 Rugged Extreme - Latitude Rugged 5420 - Latitude Rugged 5424 - Latitude Rugged 7220EX - Latitude Rugged 7424 - Precision 3930 Rack

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Dell Client Platform BIOS Weak Encoded Password Vulnerability (CVE-2026-40639) Security Update