CVE-2026-21040

MEDIUMPre-NVD 6.96.9—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.9 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.1%, top 97% 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
Trending — 3 sources updated this week
6.9EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.9Exploit: None knownExposed: 0

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

Improper access control in IAFDService prior to SMR Jul-2026 Release 1 allows local privileged attackers to use the privileged APIs.

CVSS v3
6.9
EG Score
6.9(medium)
EG Risk
31(Track)
EG Risk 31/100SSVC: 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
Severity69% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

July 10, 2026

Last Modified

July 10, 2026

Advisory Details (1)

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

Samsung Mobile Security

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

Vendor Advisories for CVE-2026-21040(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 15× in last 7d / 74× 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 115 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-21040?
CVE-2026-21040 is a medium vulnerability published on July 10, 2026. Improper access control in IAFDService prior to SMR Jul-2026 Release 1 allows local privileged attackers to use the privileged APIs.
When was CVE-2026-21040 disclosed?
CVE-2026-21040 was first published in the National Vulnerability Database on July 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-21040 actively exploited?
CVE-2026-21040 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 97.1% of all scored CVEs.
What is the CVSS score of CVE-2026-21040?
CVE-2026-21040 has a CVSS v3 base score of 6.9 (NVD).
How do I remediate CVE-2026-21040?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-21040, 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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