CVE-2026-35159

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2026-07-03. the CNA's CVSS baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:dell, epss, ghsa
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 5.3Exploit: None knownExposed services: Not assessed

No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.

Dell Client Platform BIOS contains an Authentication Bypass by Primary Weakness vulnerability. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Information Disclosure.

CVSS v3
5.3
EG Score
5.3MEDIUMmedium confidence
EG Risk
24
EG Risk 24/100

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity53% × 45%
Exploitation0% × 40%
Automatability0% × 15%
EPSS PROB
0.2%
EPSS %ILE
9th
KEV
Not listed

Published

July 3, 2026

Last Modified

September 17, 2026

Advisory Details (1)

Auto-updated Jul 3, 2026
No fix on record yet.
generic

DSA-2026-195: Security Update for Dell Client Platform BIOS for an Authentication Bypass by Primary Weakness Vulnerability | Dell US

https://www.dell.com/support/kbdoc/en-us/000452197/dsa-2026-195

Vendor Advisories for CVE-2026-35159(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 34× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 190 total refreshes for this CVE.

  1. 2026-10-09 20:07 UTCEPSS rescore
  2. 2026-10-08 17:12 UTCEPSS rescore
  3. 2026-10-07 23:47 UTCEPSS rescore
  4. 2026-10-06 15:17 UTCEPSS rescore
  5. 2026-10-05 17:42 UTCEPSS rescore
  6. 2026-10-04 23:22 UTCEPSS rescore
  7. 2026-10-03 14:25 UTCEPSS rescore
  8. 2026-10-01 19:49 UTCEPSS rescore
  9. 2026-09-30 15:03 UTCEPSS rescore
  10. 2026-09-28 13:51 UTCEPSS rescore
  11. 2026-09-27 13:48 UTCEPSS rescore
  12. 2026-09-26 15:58 UTCEPSS rescore
  13. 2026-09-26 00:26 UTCEPSS rescore
  14. 2026-09-23 06:35 UTCEG score recompute
  15. 2026-09-23 06:35 UTCGHSA enrichment
  16. 2026-09-20 20:15 UTCEPSS rescore
  17. 2026-09-18 19:28 UTCEPSS rescore
  18. 2026-09-18 19:28 UTCEPSS rescore
  19. 2026-09-17 19:30 UTCEPSS rescore
  20. 2026-09-17 18:29 UTCEG score recompute
  21. 2026-09-17 18:29 UTCGHSA enrichment
  22. 2026-09-16 14:08 UTCEPSS rescore
  23. 2026-09-16 05:15 UTCEPSS rescore
  24. 2026-09-15 03:11 UTCEPSS rescore
  25. 2026-09-14 09:34 UTCEG score recompute
Show 75 more
  1. 2026-09-14 09:34 UTCGHSA enrichment
  2. 2026-09-13 16:47 UTCEPSS rescore
  3. 2026-09-13 11:57 UTCEG score recompute
  4. 2026-09-13 11:57 UTCGHSA enrichment
  5. 2026-09-12 15:01 UTCEPSS rescore
  6. 2026-09-12 14:05 UTCEG score recompute
  7. 2026-09-12 14:05 UTCGHSA enrichment
  8. 2026-09-11 14:53 UTCEPSS rescore
  9. 2026-09-11 09:37 UTCEPSS rescore
  10. 2026-09-10 09:34 UTCEPSS rescore
  11. 2026-09-08 22:00 UTCEPSS rescore
  12. 2026-09-07 16:01 UTCEPSS rescore
  13. 2026-09-06 13:47 UTCEPSS rescore
  14. 2026-09-05 23:48 UTCEG score recompute
  15. 2026-09-05 23:48 UTCGHSA enrichment
  16. 2026-09-04 05:06 UTCEPSS rescore
  17. 2026-09-02 14:12 UTCEPSS rescore
  18. 2026-09-01 13:53 UTCEPSS rescore
  19. 2026-09-01 04:39 UTCEPSS rescore
  20. 2026-08-30 19:17 UTCEPSS rescore
  21. 2026-08-30 11:19 UTCEG score recompute
  22. 2026-08-30 11:19 UTCGHSA enrichment
  23. 2026-08-30 01:22 UTCEPSS rescore
  24. 2026-08-28 21:41 UTCEPSS rescore
  25. 2026-08-28 02:45 UTCEG score recompute
  26. 2026-08-28 02:45 UTCGHSA enrichment
  27. 2026-08-27 14:25 UTCEPSS rescore
  28. 2026-08-27 03:13 UTCEG score recompute
  29. 2026-08-27 03:13 UTCGHSA enrichment
  30. 2026-08-26 14:46 UTCEPSS rescore
  31. 2026-08-25 13:49 UTCEPSS rescore
  32. 2026-08-24 20:54 UTCEG score recompute
  33. 2026-08-24 20:54 UTCGHSA enrichment
  34. 2026-08-23 18:35 UTCEG score recompute
  35. 2026-08-23 18:35 UTCGHSA enrichment
  36. 2026-08-23 00:19 UTCEPSS rescore
  37. 2026-08-22 20:58 UTCEG score recompute
  38. 2026-08-22 20:58 UTCGHSA enrichment
  39. 2026-08-21 23:49 UTCEPSS rescore
  40. 2026-08-21 23:20 UTCGHSA enrichment
  41. 2026-08-21 01:35 UTCEG score recompute
  42. 2026-08-21 01:35 UTCGHSA enrichment
  43. 2026-08-20 22:55 UTCEPSS rescore
  44. 2026-08-20 03:56 UTCEG score recompute
  45. 2026-08-20 03:56 UTCGHSA enrichment
  46. 2026-08-19 17:03 UTCEPSS rescore
  47. 2026-08-19 02:04 UTCEG score recompute
  48. 2026-08-19 02:04 UTCGHSA enrichment
  49. 2026-08-18 13:48 UTCEPSS rescore
  50. 2026-08-18 04:27 UTCEG score recompute
  51. 2026-08-18 04:27 UTCGHSA enrichment
  52. 2026-08-17 13:47 UTCEPSS rescore
  53. 2026-08-17 05:05 UTCEG score recompute
  54. 2026-08-17 05:05 UTCGHSA enrichment
  55. 2026-08-16 14:56 UTCEPSS rescore
  56. 2026-08-16 07:27 UTCEG score recompute
  57. 2026-08-16 07:27 UTCGHSA enrichment
  58. 2026-08-16 02:14 UTCEPSS rescore
  59. 2026-08-15 09:50 UTCEG score recompute
  60. 2026-08-15 09:50 UTCGHSA enrichment
  61. 2026-08-15 01:30 UTCEPSS rescore
  62. 2026-08-14 12:12 UTCEG score recompute
  63. 2026-08-14 12:12 UTCGHSA enrichment
  64. 2026-08-13 22:00 UTCEPSS rescore
  65. 2026-08-13 14:35 UTCGHSA enrichment
  66. 2026-08-12 16:45 UTCEG score recompute
  67. 2026-08-12 16:45 UTCGHSA enrichment
  68. 2026-08-12 13:50 UTCEPSS rescore
  69. 2026-08-11 19:08 UTCEG score recompute
  70. 2026-08-11 19:08 UTCGHSA enrichment
  71. 2026-08-11 00:00 UTCEPSS rescore
  72. 2026-08-10 21:23 UTCGHSA enrichment
  73. 2026-08-09 23:45 UTCEG score recompute
  74. 2026-08-09 23:45 UTCGHSA enrichment
  75. 2026-08-09 13:46 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-35159?
CVE-2026-35159 is a medium vulnerability published on July 3, 2026. Dell Client Platform BIOS contains an Authentication Bypass by Primary Weakness vulnerability. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Information Disclosure.
When was CVE-2026-35159 disclosed?
CVE-2026-35159 was first published on July 3, 2026, with the most recent update on September 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-35159 actively exploited?
CVE-2026-35159 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (9th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-35159?
CVE-2026-35159 has a CVSS base score of 5.3 (the CNA's own assessment, by dell; NVD's own analysis pending).
How do I remediate CVE-2026-35159?
No fix for CVE-2026-35159 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-35159 are linked in the Vendor Advisories panel on this page.

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