CVE-2026-40639 (GCVE-0-2026-40639)
Vulnerability from cvelistv5 – Published: 2026-06-09 18:04 – Updated: 2026-06-09 19:12
VLAI
EPSS
VEX
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.
Severity
5.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-09 18:58 UTC
CWE
- CWE-261 - Weak Encoding for Password
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/00045348… | vendor-advisory |
Impacted products
12 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Dell | Dell Edge Gateway 3000 |
Affected:
0 , < 1.26.0
(semver)
|
guessed | |
| Dell | Dell Edge Gateway 5000 |
Affected:
0 , < 1.36.0
(semver)
|
guessed | |
| Dell | DELL EMBEDDED PC 3000 |
Affected:
0 , < 1.32.0
(semver)
|
guessed | |
| Dell | DELL EMBEDDED PC 5000 |
Affected:
0 , < 1.33.0
(semver)
|
guessed | |
| Dell | Dell Precision 3630 Tower |
Affected:
0 , < 2.40.0
(semver)
|
guessed | |
| Dell | Dell Precision 3930 Rack |
Affected:
0 , < 2.43.0
(semver)
|
guessed | |
| Dell | Latitude 7220 Rugged Extreme |
Affected:
0 , < 1.51.0
(semver)
|
guessed | |
| Dell | Latitude Rugged 5420 |
Affected:
0 , < 1.42.0
(semver)
|
guessed | |
| Dell | Latitude Rugged 5424 |
Affected:
0 , < 1.42.0
(semver)
|
guessed | |
| Dell | Latitude Rugged 7220EX |
Affected:
0 , < 1.51.0
(semver)
|
guessed | |
| Dell | Latitude Rugged 7424 |
Affected:
0 , < 1.42.0
(semver)
|
guessed | |
| Dell | Precision 3930 Rack |
Affected:
0 , < 2.43.0
(semver)
|
guessed |
Date Public
2026-06-09 17:58
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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