CVE-2026-21073

MEDIUMNVD 6.16.1—
EchelonGraph scoreHIGH confidence

Score 6.1 from GitHub Security Advisory published 2026-08-10. NVD baseline CVSS 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.1Exploit: None knownExposed: 0

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

Improper input validation in Galaxy Themes prior to SMR Aug-2026 Release 1 allows physical attackers to launch arbitrary activity.

CVSS v3
6.1
EG Score
6.1(high)
EG Risk
28(Track)
EG Risk 28/100SSVC: 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
Severity61% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
5%
KEV
Not listed

Published

August 10, 2026

Last Modified

August 19, 2026

Advisory Details (1)

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

Samsung Mobile Security

https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=08

Vendor Advisories for CVE-2026-21073(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 25× in last 7d / 41× 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. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-20 22:29 UTCGHSA enrichment
  3. 2026-08-19 23:55 UTCEG score recompute
  4. 2026-08-19 23:55 UTCGHSA enrichment
  5. 2026-08-19 17:03 UTCEPSS rescore
  6. 2026-08-19 01:20 UTCEG score recompute▲ 0.90
  7. 2026-08-19 01:20 UTCGHSA enrichment
  8. 2026-08-19 01:19 UTCNVD updateCVSS v3 → 6.1
  9. 2026-08-18 15:33 UTCEG score recompute
  10. 2026-08-18 15:33 UTCGHSA enrichment
  11. 2026-08-18 13:48 UTCEPSS rescore
  12. 2026-08-18 07:04 UTCEG score recompute
  13. 2026-08-18 07:04 UTCGHSA enrichment
  14. 2026-08-17 13:47 UTCEPSS rescore
  15. 2026-08-17 08:26 UTCEG score recompute
  16. 2026-08-17 08:26 UTCGHSA enrichment
  17. 2026-08-16 14:56 UTCEPSS rescore
  18. 2026-08-16 09:52 UTCEG score recompute
  19. 2026-08-16 09:52 UTCGHSA enrichment
  20. 2026-08-16 02:14 UTCEPSS rescore
  21. 2026-08-15 11:18 UTCEG score recompute
  22. 2026-08-15 11:18 UTCGHSA enrichment
  23. 2026-08-15 01:30 UTCEPSS rescore
  24. 2026-08-14 12:43 UTCEG score recompute
  25. 2026-08-14 12:43 UTCGHSA enrichment
Show 16 more
  1. 2026-08-13 22:00 UTCEPSS rescore
  2. 2026-08-13 14:08 UTCGHSA enrichment
  3. 2026-08-12 15:33 UTCEG score recompute
  4. 2026-08-12 15:33 UTCGHSA enrichment
  5. 2026-08-12 13:50 UTCEPSS rescore
  6. 2026-08-11 16:59 UTCEG score recompute
  7. 2026-08-11 16:59 UTCGHSA enrichment
  8. 2026-08-11 13:42 UTCEPSS rescore
  9. 2026-08-11 00:00 UTCEPSS rescore
  10. 2026-08-10 18:25 UTCEG score recompute
  11. 2026-08-10 18:25 UTCGHSA enrichment
  12. 2026-08-10 17:35 UTCEG score recompute
  13. 2026-08-10 17:35 UTCGHSA enrichment
  14. 2026-08-10 09:20 UTCEG score recompute
  15. 2026-08-10 08:16 UTCEG score recompute
  16. 2026-08-10 08:16 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-21073?
CVE-2026-21073 is a medium vulnerability published on August 10, 2026. Improper input validation in Galaxy Themes prior to SMR Aug-2026 Release 1 allows physical attackers to launch arbitrary activity.
When was CVE-2026-21073 disclosed?
CVE-2026-21073 was first published in the National Vulnerability Database on August 10, 2026, with the most recent update on August 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-21073 actively exploited?
CVE-2026-21073 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 94.8% of all scored CVEs.
What is the CVSS score of CVE-2026-21073?
CVE-2026-21073 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2026-21073?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-21073, 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-2026-21073

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