CVE-2026-47311

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 79% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
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 vulnerability in Samsung Open Source Escargot allows Overflow Buffers.

This issue affects Escargot: 590345cc6258317c5da850d846ce6baaf2afc2d3.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
21%
KEV
Not listed

Published

May 19, 2026

Last Modified

July 24, 2026

Advisory Details (1)

Auto-updated Sep 4, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr.
github_pr

Fix crash issues

Fix merged in Samsung/escargot PR #1565 on 2026-05-14 — awaiting tagged release

https://github.com/Samsung/escargot/pull/1565

Vendor Advisories for CVE-2026-47311(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 5× in last 7d / 90× 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 247 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-47311?
CVE-2026-47311 is a critical vulnerability published on May 19, 2026. Heap-based buffer overflow vulnerability in Samsung Open Source Escargot allows Overflow Buffers. This issue affects Escargot: 590345cc6258317c5da850d846ce6baaf2afc2d3.
When was CVE-2026-47311 disclosed?
CVE-2026-47311 was first published in the National Vulnerability Database on May 19, 2026, with the most recent update on July 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-47311 actively exploited?
CVE-2026-47311 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 79.3% of all scored CVEs.
What is the CVSS score of CVE-2026-47311?
CVE-2026-47311 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-47311?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-47311, 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-2026-47311

Explore →

Is Your Infrastructure Affected by CVE-2026-47311?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs