CVE-2026-21055

HIGHPre-NVD 8.58.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.5 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.1%, top 98% 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, secondary
8.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.5Exploit: NoneExposed: 0

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

Improper export of android application components in Bixby prior to version 4.0.70.8 allows local attackers to execute arbitrary commands with Bixby privilege.

CVSS v3
8.5
EG Score
8.5(medium)
EPSS
2.3%
KEV
Not listed

Published

July 10, 2026

Last Modified

July 11, 2026

Advisory Details (1)

Auto-updated Jul 10, 2026
No patch confirmed yet.
generic

Samsung Mobile Security

https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=07

Vendor Advisories for CVE-2026-21055(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Data Freshness Timeline

(refreshed 0× in last 7d / 0× 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. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-15 16:57 UTCEG score recompute
  4. 2026-07-15 16:57 UTCGHSA enrichment
  5. 2026-07-15 05:00 UTCEG score recompute
  6. 2026-07-15 04:59 UTCGHSA enrichment
  7. 2026-07-14 17:01 UTCEG score recompute
  8. 2026-07-14 17:01 UTCGHSA enrichment
  9. 2026-07-14 05:03 UTCEG score recompute
  10. 2026-07-14 05:03 UTCGHSA enrichment
  11. 2026-07-13 22:30 UTCEPSS rescore
  12. 2026-07-13 17:04 UTCEG score recompute
  13. 2026-07-13 17:03 UTCGHSA enrichment
  14. 2026-07-13 05:06 UTCEG score recompute
  15. 2026-07-13 05:05 UTCGHSA enrichment
  16. 2026-07-12 17:06 UTCEG score recompute
  17. 2026-07-12 17:05 UTCGHSA enrichment
  18. 2026-07-12 05:08 UTCEG score recompute
  19. 2026-07-12 05:08 UTCGHSA enrichment
  20. 2026-07-11 17:09 UTCEG score recompute
  21. 2026-07-11 17:09 UTCGHSA enrichment
  22. 2026-07-11 08:27 UTCEPSS rescore
  23. 2026-07-11 05:12 UTCEG score recompute
  24. 2026-07-11 05:12 UTCGHSA enrichment
  25. 2026-07-10 17:14 UTCEG score recompute
Show 3 more
  1. 2026-07-10 17:14 UTCGHSA enrichment
  2. 2026-07-10 05:14 UTCEG score recompute
  3. 2026-07-10 05:13 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-21055?
CVE-2026-21055 is a high vulnerability published on July 10, 2026. Improper export of android application components in Bixby prior to version 4.0.70.8 allows local attackers to execute arbitrary commands with Bixby privilege.
When was CVE-2026-21055 disclosed?
CVE-2026-21055 was first published in the National Vulnerability Database on July 10, 2026, with the most recent update on July 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-21055 actively exploited?
CVE-2026-21055 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-21055?
CVE-2026-21055 has a CVSS v3 base score of 8.5 (NVD).
How do I remediate CVE-2026-21055?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-21055, 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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