CVE-2026-53483

CRITICALPre-NVD 9.89.8
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-07. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

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

Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, LTS2024 release versions 7.13.1.0 through 7.13.1.70 an improper authentication vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access. This is a critical severity vulnerability as it allows an attacker to take complete control of system; so Dell recommends customers to upgrade at the earliest opportunity.

CVSS v3
9.8
EG Score
9.8(high)
EPSS
45.9%
KEV
Not listed

Published

July 7, 2026

Last Modified

July 8, 2026

Advisory Details (1)

Auto-updated Jul 8, 2026
No patch confirmed yet.
generic

DSA-2026-278: Security Update for Dell PowerProtect Data Domain Multiple Vulnerabilities | Dell US

https://www.dell.com/support/kbdoc/en-us/000481268/dsa-2026-278-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities

Vendor Advisories for CVE-2026-53483(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 92× in last 7d / 108× 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 108 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-53483?
CVE-2026-53483 is a critical vulnerability published on July 7, 2026. Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, LTS2024 release versions 7.13.1.0 through 7.13.1.70 an improper authentication vulnerability. An unauthenticated attacker with remote…
When was CVE-2026-53483 disclosed?
CVE-2026-53483 was first published in the National Vulnerability Database on July 7, 2026, with the most recent update on July 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-53483 actively exploited?
CVE-2026-53483 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 45.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-53483?
CVE-2026-53483 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-53483?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-53483, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-53483

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