CVE-2026-63453

HIGHPre-NVD 7.27.2—
EchelonGraph scoreMEDIUM confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-07-21. a secondary CVSS source baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.2Exploit: None knownExposed: 0

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

Buffer overflow vulnerabilities exist in the command line interface of AOS-CX. Successful exploitation of these vulnerabilities could allow a remote high-privileged user to execute arbitrary code as a privileged user on the underlying operating system.

CVSS v3
7.2
EG Score
7.2(medium)
EG Risk
33(Track)
EG Risk 33/100SSVC: 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
Severity72% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
48%
KEV
Not listed

Published

July 21, 2026

Last Modified

August 11, 2026

Advisory Details (1)

Auto-updated Jul 21, 2026
No patch confirmed yet.
generic
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05081en_us&docLocale=en_US

Vendor Advisories for CVE-2026-63453(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 14× in last 7d / 80× 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 178 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-63453?
CVE-2026-63453 is a high vulnerability published on July 21, 2026. Buffer overflow vulnerabilities exist in the command line interface of AOS-CX. Successful exploitation of these vulnerabilities could allow a remote high-privileged user to execute arbitrary code as a privileged user on the underlying operating system.
When was CVE-2026-63453 disclosed?
CVE-2026-63453 was first published in the National Vulnerability Database on July 21, 2026, with the most recent update on August 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-63453 actively exploited?
CVE-2026-63453 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 52.1% of all scored CVEs.
What is the CVSS score of CVE-2026-63453?
CVE-2026-63453 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-63453?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-63453, 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

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