CVE-2026-28764

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-05-21. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

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

MediaArea MediaInfoLib LXF element parsing heap-based buffer overflow vulnerability

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
13%
KEV
Not listed

Published

May 21, 2026

Last Modified

July 23, 2026

Advisory Details (2)

Auto-updated Jun 4, 2026
No patch confirmed yet.
generic

TALOS-2026-2371 || Cisco Talos Intelligence Group - Comprehensive Threat Intelligence

https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2371
generic

TALOS-2026-2371 || Cisco Talos Intelligence Group - Comprehensive Threat Intelligence

https://talosintelligence.com/vulnerability_reports/TALOS-2026-2371

Vendor Advisories for CVE-2026-28764(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 7× in last 7d / 35× 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 256 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-28764?
CVE-2026-28764 is a high vulnerability published on May 21, 2026. MediaArea MediaInfoLib LXF element parsing heap-based buffer overflow vulnerability
When was CVE-2026-28764 disclosed?
CVE-2026-28764 was first published in the National Vulnerability Database on May 21, 2026, with the most recent update on July 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-28764 actively exploited?
CVE-2026-28764 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 86.7% of all scored CVEs.
What is the CVSS score of CVE-2026-28764?
CVE-2026-28764 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-28764?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-28764, 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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