CVE-2026-63453

HIGHPre-NVD 7.27.2—
EchelonGraph scoreHIGH 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: 0%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(high)
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%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
28%
KEV
Not listed

Published

July 21, 2026

Last Modified

July 24, 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 25× in last 7d / 28× 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. 2026-07-28 20:46 UTCEG score recompute
  2. 2026-07-28 20:46 UTCGHSA enrichment
  3. 2026-07-28 15:37 UTCEPSS rescore
  4. 2026-07-28 07:56 UTCGHSA enrichment
  5. 2026-07-27 19:09 UTCEG score recompute
  6. 2026-07-27 19:09 UTCGHSA enrichment
  7. 2026-07-27 14:14 UTCEPSS rescore
  8. 2026-07-27 06:02 UTCGHSA enrichment
  9. 2026-07-26 17:11 UTCEG score recompute
  10. 2026-07-26 17:11 UTCGHSA enrichment
  11. 2026-07-26 14:54 UTCEPSS rescore
  12. 2026-07-26 14:54 UTCEPSS rescore
  13. 2026-07-26 04:20 UTCEG score recompute
  14. 2026-07-26 04:20 UTCGHSA enrichment
  15. 2026-07-25 14:18 UTCEPSS rescore
  16. 2026-07-25 14:18 UTCEPSS rescore
  17. 2026-07-24 14:18 UTCEPSS rescore
  18. 2026-07-24 14:18 UTCEPSS rescore
  19. 2026-07-23 14:18 UTCEPSS rescore
  20. 2026-07-23 14:18 UTCEPSS rescore
  21. 2026-07-23 03:22 UTCEG score recompute
  22. 2026-07-22 23:03 UTCEG score recompute
  23. 2026-07-22 23:03 UTCGHSA enrichment
  24. 2026-07-22 14:08 UTCEPSS rescore
  25. 2026-07-22 14:08 UTCEPSS rescore
Show 3 more
  1. 2026-07-21 19:34 UTCEG score recompute
  2. 2026-07-21 18:45 UTCEG score recompute
  3. 2026-07-21 18:43 UTCMITRE cvelistV5first tracked

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 July 24, 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 0% probability of exploitation in the next 30 days, which ranks it in the top 72.1% 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

Explore the affected products and dependency analysis for CVE-2026-63453

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