CVE-2026-53477

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-19. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

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

Dell Command Update (DCU), versions prior to 5.7.1, contain a Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of Privileges.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: Track

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
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
0%
KEV
Not listed

Published

August 19, 2026

Last Modified

August 21, 2026

Advisory Details (1)

Auto-updated Aug 19, 2026
No patch confirmed yet.
generic

DSA-2026-309: Security Update for Dell Command | Update for Multiple Vulnerabilities | Dell US

https://www.dell.com/support/kbdoc/en-us/000501378/dsa-2026-309-security-update-for-dell-command-update-for-multiple-vulnerabilities

Vendor Advisories for CVE-2026-53477(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 22× in last 7d / 90× 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.

  1. 2026-09-19 11:46 UTCGHSA enrichment
  2. 2026-09-18 23:48 UTCEG score recompute
  3. 2026-09-18 23:48 UTCGHSA enrichment
  4. 2026-09-18 19:28 UTCEPSS rescore
  5. 2026-09-18 11:57 UTCGHSA enrichment
  6. 2026-09-18 00:10 UTCEG score recompute
  7. 2026-09-18 00:10 UTCGHSA enrichment
  8. 2026-09-17 11:39 UTCGHSA enrichment
  9. 2026-09-16 23:52 UTCEG score recompute
  10. 2026-09-16 23:52 UTCGHSA enrichment
  11. 2026-09-16 14:08 UTCEPSS rescore
  12. 2026-09-16 12:04 UTCEG score recompute
  13. 2026-09-16 12:04 UTCGHSA enrichment
  14. 2026-09-16 05:15 UTCEPSS rescore
  15. 2026-09-16 00:16 UTCGHSA enrichment
  16. 2026-09-15 12:27 UTCGHSA enrichment
  17. 2026-09-15 00:33 UTCGHSA enrichment
  18. 2026-09-14 12:46 UTCGHSA enrichment
  19. 2026-09-14 00:53 UTCGHSA enrichment
  20. 2026-09-13 13:06 UTCGHSA enrichment
  21. 2026-09-13 01:19 UTCEG score recompute
  22. 2026-09-13 01:19 UTCGHSA enrichment
  23. 2026-09-12 13:32 UTCGHSA enrichment
  24. 2026-09-12 01:45 UTCEG score recompute
  25. 2026-09-12 01:45 UTCGHSA enrichment
Show 75 more
  1. 2026-09-11 14:53 UTCEPSS rescore
  2. 2026-09-11 13:58 UTCEG score recompute
  3. 2026-09-11 13:58 UTCGHSA enrichment
  4. 2026-09-11 02:10 UTCGHSA enrichment
  5. 2026-09-10 14:23 UTCEG score recompute
  6. 2026-09-10 14:23 UTCGHSA enrichment
  7. 2026-09-10 09:35 UTCEPSS rescore
  8. 2026-09-10 02:32 UTCGHSA enrichment
  9. 2026-09-09 14:44 UTCGHSA enrichment
  10. 2026-09-09 02:37 UTCGHSA enrichment
  11. 2026-09-08 03:29 UTCGHSA enrichment
  12. 2026-09-07 15:42 UTCGHSA enrichment
  13. 2026-09-07 00:31 UTCGHSA enrichment
  14. 2026-09-06 12:25 UTCGHSA enrichment
  15. 2026-09-06 00:37 UTCEG score recompute
  16. 2026-09-06 00:37 UTCGHSA enrichment
  17. 2026-09-05 12:50 UTCGHSA enrichment
  18. 2026-09-05 00:58 UTCGHSA enrichment
  19. 2026-09-04 13:10 UTCEG score recompute
  20. 2026-09-04 13:10 UTCGHSA enrichment
  21. 2026-09-04 05:06 UTCEPSS rescore
  22. 2026-09-04 01:21 UTCGHSA enrichment
  23. 2026-09-03 13:34 UTCGHSA enrichment
  24. 2026-09-03 01:44 UTCGHSA enrichment
  25. 2026-09-02 13:56 UTCGHSA enrichment
  26. 2026-09-02 01:44 UTCGHSA enrichment
  27. 2026-09-01 13:56 UTCGHSA enrichment
  28. 2026-09-01 01:57 UTCGHSA enrichment
  29. 2026-08-31 14:10 UTCGHSA enrichment
  30. 2026-08-31 01:12 UTCEG score recompute
  31. 2026-08-31 01:12 UTCGHSA enrichment
  32. 2026-08-30 19:17 UTCEPSS rescore
  33. 2026-08-30 13:24 UTCGHSA enrichment
  34. 2026-08-30 01:34 UTCGHSA enrichment
  35. 2026-08-29 13:46 UTCGHSA enrichment
  36. 2026-08-29 01:56 UTCEG score recompute
  37. 2026-08-29 01:55 UTCGHSA enrichment
  38. 2026-08-28 21:41 UTCEPSS rescore
  39. 2026-08-28 10:57 UTCGHSA enrichment
  40. 2026-08-27 23:06 UTCEG score recompute
  41. 2026-08-27 23:06 UTCGHSA enrichment
  42. 2026-08-27 14:25 UTCEPSS rescore
  43. 2026-08-27 11:19 UTCGHSA enrichment
  44. 2026-08-26 23:32 UTCGHSA enrichment
  45. 2026-08-26 11:44 UTCGHSA enrichment
  46. 2026-08-25 23:57 UTCEG score recompute
  47. 2026-08-25 23:57 UTCGHSA enrichment
  48. 2026-08-25 13:49 UTCEPSS rescore
  49. 2026-08-25 12:10 UTCGHSA enrichment
  50. 2026-08-25 00:23 UTCEG score recompute
  51. 2026-08-25 00:23 UTCGHSA enrichment
  52. 2026-08-24 12:35 UTCGHSA enrichment
  53. 2026-08-24 00:48 UTCGHSA enrichment
  54. 2026-08-23 13:00 UTCGHSA enrichment
  55. 2026-08-23 01:11 UTCEG score recompute
  56. 2026-08-23 01:11 UTCGHSA enrichment
  57. 2026-08-23 00:19 UTCEPSS rescore
  58. 2026-08-22 13:25 UTCGHSA enrichment
  59. 2026-08-22 01:38 UTCEG score recompute
  60. 2026-08-22 01:38 UTCGHSA enrichment
  61. 2026-08-21 23:49 UTCEPSS rescore
  62. 2026-08-21 13:50 UTCGHSA enrichment
  63. 2026-08-21 13:03 UTCGHSA enrichment
  64. 2026-08-21 01:15 UTCEG score recompute
  65. 2026-08-21 01:15 UTCGHSA enrichment
  66. 2026-08-20 22:55 UTCEPSS rescore
  67. 2026-08-20 13:28 UTCGHSA enrichment
  68. 2026-08-20 08:09 UTCGHSA enrichment
  69. 2026-08-19 20:22 UTCEG score recompute
  70. 2026-08-19 20:22 UTCGHSA enrichment
  71. 2026-08-19 20:03 UTCEG score recompute
  72. 2026-08-19 20:03 UTCGHSA enrichment
  73. 2026-08-19 15:24 UTCEG score recompute
  74. 2026-08-19 15:09 UTCEG score recompute
  75. 2026-08-19 15:07 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-53477?
CVE-2026-53477 is a high vulnerability published on August 19, 2026. Dell Command Update (DCU), versions prior to 5.7.1, contain a Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of Privileges.
When was CVE-2026-53477 disclosed?
CVE-2026-53477 was first published in the National Vulnerability Database on August 19, 2026, with the most recent update on August 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-53477 actively exploited?
CVE-2026-53477 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 99.7% of all scored CVEs.
What is the CVSS score of CVE-2026-53477?
CVE-2026-53477 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-53477?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-53477, 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-2026-53477

Explore →

Is Your Infrastructure Affected by CVE-2026-53477?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs