CVE-2023-48698

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.9%, top 43% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
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.

Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure RTOS ThreadX. An attacker can cause remote code execution due to expired pointer dereference vulnerabilities in Azure RTOS USBX. The affected components include functions/processes in host stack and host classes, related to device linked classes, GSER and HID in RTOS v6.2.1 and below. The fixes have been included in USBX release 6.3.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
—
EPSS
56.9%
KEV
Not listed

Published

December 5, 2023

Last Modified

June 17, 2026

Advisory Details (1)

Auto-updated Jul 6, 2026
Patch available. Sources: github.
github Patch Available

Azure RTOS USBX Remote Code Execution Vulnerability · Advisory · eclipse-threadx/usbx · GitHub

https://github.com/azure-rtos/usbx/security/advisories/GHSA-grhp-f66q-x857

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 49× 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 101 total refreshes for this CVE.

  1. 2026-07-22 23:14 UTCEG score recompute▲ 3.00
  2. 2026-07-22 14:06 UTCEPSS rescore
  3. 2026-07-21 15:23 UTCEPSS rescore
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  14. 2026-07-15 02:19 UTCOSV refresh
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  1. 2026-07-07 13:44 UTCEPSS rescore
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  20. 2026-06-24 14:04 UTCEPSS rescore
  21. 2026-06-24 14:04 UTCEPSS rescore
  22. 2026-06-24 06:32 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  23. 2026-06-23 21:31 UTCEPSS rescore
  24. 2026-06-23 21:31 UTCEPSS rescore
  25. 2026-06-22 14:24 UTCEPSS rescore
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  39. 2026-06-13 22:59 UTCEPSS rescore
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  41. 2026-06-12 23:11 UTCEPSS rescore
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  44. 2026-06-10 22:17 UTCEPSS rescore
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  46. 2026-06-09 13:47 UTCOSV refresh
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Frequently asked(5)

What is CVE-2023-48698?
CVE-2023-48698 is a critical vulnerability published on December 5, 2023. Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure RTOS ThreadX. An attacker can cause remote code execution due to expired pointer dereference vulnerabilities in Azure RTOS USBX. The affected components include functions/processes in host…
When was CVE-2023-48698 disclosed?
CVE-2023-48698 was first published in the National Vulnerability Database on December 5, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-48698 actively exploited?
CVE-2023-48698 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 56.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-48698?
CVE-2023-48698 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-48698?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-48698, 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.

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