CVE-2026-40639 json
Dell Client Platform BIOS contains a Weak Encoding for Password vulnerability.
published 5mo ago modified 3mo ago also EUVD-2026-35789
- cvss
- 5.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 8%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Dell Dell Edge Gateway 3000 1.26.0
- Dell Dell Edge Gateway 5000 1.36.0
- Dell DELL EMBEDDED PC 3000 1.32.0
- Dell DELL EMBEDDED PC 5000 1.33.0
- Dell Dell Precision 3630 Tower 2.40.0
- Dell Dell Precision 3930 Rack 2.43.0
- Dell Latitude 7220 Rugged Extreme 1.51.0
- Dell Latitude Rugged 5420 1.42.0
- Dell Latitude Rugged 5424 1.42.0
- Dell Latitude Rugged 7220EX 1.51.0
- Dell Latitude Rugged 7424 1.42.0
- Dell Precision 3930 Rack 2.43.0
Is CVE-2026-40639 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 5mo ago
Exploit prediction
0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.7 | CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
Affected products
- Dell Dell Edge Gateway 3000
- Dell Dell Edge Gateway 5000
- Dell DELL EMBEDDED PC 3000
- Dell DELL EMBEDDED PC 5000
- Dell Dell Precision 3630 Tower
- Dell Dell Precision 3930 Rack
- 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
Classification
- Weakness
-
- CWE-261 Weak Encoding for Password
References
-
dell.com
/support/kbdoc/en-us/000453482/dsa-2026-197
vendor-advisory
Sources
- CVE List CVE-2026-40639
- NVD CVE-2026-40639
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.