CVE-2026-21096

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-09. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

Heap-based buffer overflow in JPEG decoder of libimagecodec.quram.so prior to SMR Sep-2026 Release 1 allows remote attackers to execute arbitrary code.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
39%
KEV
Not listed

Published

September 9, 2026

Last Modified

September 11, 2026

Advisory Details (1)

Auto-updated Sep 18, 2026
No patch confirmed yet.
generic

Samsung Mobile Security

https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=09

Vendor Advisories for CVE-2026-21096(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 54× in last 7d / 110× 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 110 total refreshes for this CVE.

  1. 2026-09-21 01:26 UTCGHSA enrichment
  2. 2026-09-20 21:44 UTCGHSA enrichment
  3. 2026-09-20 18:05 UTCGHSA enrichment
  4. 2026-09-20 14:22 UTCGHSA enrichment
  5. 2026-09-20 10:41 UTCGHSA enrichment
  6. 2026-09-20 07:03 UTCGHSA enrichment
  7. 2026-09-20 03:05 UTCGHSA enrichment
  8. 2026-09-19 23:26 UTCGHSA enrichment
  9. 2026-09-19 19:48 UTCGHSA enrichment
  10. 2026-09-19 16:10 UTCEG score recompute
  11. 2026-09-19 16:10 UTCGHSA enrichment
  12. 2026-09-19 12:31 UTCGHSA enrichment
  13. 2026-09-19 08:53 UTCGHSA enrichment
  14. 2026-09-19 05:11 UTCGHSA enrichment
  15. 2026-09-19 01:33 UTCGHSA enrichment
  16. 2026-09-18 21:55 UTCEG score recompute
  17. 2026-09-18 21:55 UTCGHSA enrichment
  18. 2026-09-18 19:27 UTCEPSS rescore
  19. 2026-09-18 18:17 UTCGHSA enrichment
  20. 2026-09-18 14:27 UTCGHSA enrichment
  21. 2026-09-18 10:49 UTCGHSA enrichment
  22. 2026-09-18 07:11 UTCGHSA enrichment
  23. 2026-09-18 03:33 UTCGHSA enrichment
  24. 2026-09-17 23:55 UTCGHSA enrichment
  25. 2026-09-17 20:15 UTCEG score recompute
Show 75 more
  1. 2026-09-17 20:15 UTCGHSA enrichment
  2. 2026-09-17 16:02 UTCGHSA enrichment
  3. 2026-09-17 12:23 UTCGHSA enrichment
  4. 2026-09-17 08:45 UTCGHSA enrichment
  5. 2026-09-17 05:07 UTCGHSA enrichment
  6. 2026-09-17 01:29 UTCGHSA enrichment
  7. 2026-09-16 21:51 UTCGHSA enrichment
  8. 2026-09-16 18:12 UTCEG score recompute
  9. 2026-09-16 18:12 UTCGHSA enrichment
  10. 2026-09-16 14:07 UTCEPSS rescore
  11. 2026-09-16 14:02 UTCGHSA enrichment
  12. 2026-09-16 10:24 UTCGHSA enrichment
  13. 2026-09-16 06:46 UTCEG score recompute
  14. 2026-09-16 06:46 UTCGHSA enrichment
  15. 2026-09-16 05:15 UTCEPSS rescore
  16. 2026-09-16 03:08 UTCGHSA enrichment
  17. 2026-09-15 23:29 UTCGHSA enrichment
  18. 2026-09-15 19:50 UTCGHSA enrichment
  19. 2026-09-15 16:10 UTCGHSA enrichment
  20. 2026-09-15 12:32 UTCGHSA enrichment
  21. 2026-09-15 08:53 UTCGHSA enrichment
  22. 2026-09-15 05:14 UTCEG score recompute
  23. 2026-09-15 05:14 UTCGHSA enrichment
  24. 2026-09-15 01:33 UTCGHSA enrichment
  25. 2026-09-14 21:55 UTCGHSA enrichment
  26. 2026-09-14 18:16 UTCGHSA enrichment
  27. 2026-09-14 14:29 UTCGHSA enrichment
  28. 2026-09-14 10:51 UTCGHSA enrichment
  29. 2026-09-14 07:13 UTCGHSA enrichment
  30. 2026-09-14 03:35 UTCGHSA enrichment
  31. 2026-09-13 23:57 UTCGHSA enrichment
  32. 2026-09-13 20:19 UTCEG score recompute
  33. 2026-09-13 20:19 UTCGHSA enrichment
  34. 2026-09-13 16:47 UTCEPSS rescore
  35. 2026-09-13 16:41 UTCGHSA enrichment
  36. 2026-09-13 13:03 UTCGHSA enrichment
  37. 2026-09-13 09:24 UTCGHSA enrichment
  38. 2026-09-13 05:46 UTCGHSA enrichment
  39. 2026-09-13 02:08 UTCGHSA enrichment
  40. 2026-09-12 22:29 UTCGHSA enrichment
  41. 2026-09-12 18:51 UTCGHSA enrichment
  42. 2026-09-12 15:12 UTCEG score recompute
  43. 2026-09-12 15:12 UTCGHSA enrichment
  44. 2026-09-12 15:01 UTCEPSS rescore
  45. 2026-09-12 11:34 UTCGHSA enrichment
  46. 2026-09-12 07:56 UTCGHSA enrichment
  47. 2026-09-12 04:18 UTCGHSA enrichment
  48. 2026-09-12 00:40 UTCGHSA enrichment
  49. 2026-09-11 21:01 UTCGHSA enrichment
  50. 2026-09-11 17:23 UTCEG score recompute
  51. 2026-09-11 17:23 UTCGHSA enrichment
  52. 2026-09-11 14:52 UTCEPSS rescore
  53. 2026-09-11 13:23 UTCGHSA enrichment
  54. 2026-09-11 13:15 UTCGHSA enrichment
  55. 2026-09-11 12:52 UTCEG score recompute▲ 0.60
  56. 2026-09-11 12:52 UTCGHSA enrichment
  57. 2026-09-11 12:51 UTCNVD updateCVSS v3 → 9.8
  58. 2026-09-11 11:38 UTCEG score recompute
  59. 2026-09-11 11:38 UTCGHSA enrichment
  60. 2026-09-11 07:59 UTCGHSA enrichment
  61. 2026-09-11 04:21 UTCEG score recompute
  62. 2026-09-11 04:21 UTCGHSA enrichment
  63. 2026-09-11 04:01 UTCEG score recompute
  64. 2026-09-11 04:01 UTCGHSA enrichment
  65. 2026-09-11 02:18 UTCGHSA enrichment
  66. 2026-09-10 22:40 UTCGHSA enrichment
  67. 2026-09-10 19:01 UTCGHSA enrichment
  68. 2026-09-10 15:23 UTCEG score recompute
  69. 2026-09-10 15:23 UTCGHSA enrichment
  70. 2026-09-10 14:36 UTCEG score recompute
  71. 2026-09-10 14:36 UTCGHSA enrichment
  72. 2026-09-10 13:51 UTCGHSA enrichment
  73. 2026-09-10 10:12 UTCEG score recompute
  74. 2026-09-10 10:12 UTCGHSA enrichment
  75. 2026-09-10 09:34 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-21096?
CVE-2026-21096 is a critical vulnerability published on September 9, 2026. Heap-based buffer overflow in JPEG decoder of libimagecodec.quram.so prior to SMR Sep-2026 Release 1 allows remote attackers to execute arbitrary code.
When was CVE-2026-21096 disclosed?
CVE-2026-21096 was first published in the National Vulnerability Database on September 9, 2026, with the most recent update on September 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-21096 actively exploited?
CVE-2026-21096 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 61.2% of all scored CVEs.
What is the CVSS score of CVE-2026-21096?
CVE-2026-21096 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-21096?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-21096, 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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