CVE-2026-36909

MEDIUMPre-NVD 6.26.2—
EchelonGraph scoreMEDIUM confidence

Score 6.2 from GitHub Security Advisory published 2026-07-02. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
6.2EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.2Exploit: None knownExposed: 0

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

A NULL pointer dereference in the AP4_TkhdAtom::GetTrackId() function of Aleksoid1978 MPC-BE before commit 4341cb3 allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.

CVSS v3
6.2
EG Score
6.2(medium)
EG Risk
32(Track)
EG Risk 32/100SSVC: 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
Severity62% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

July 1, 2026

Last Modified

July 2, 2026

Advisory Details (2)

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

SEGV ASAN in mp4decrypt · Issue #965 · axiomatic-systems/Bento4 · GitHub

https://github.com/axiomatic-systems/Bento4/issues/965
generic

We would like to report some critical issues from Bento4 · Issue #1062 · Aleksoid1978/MPC-BE · GitHub

https://github.com/Aleksoid1978/MPC-BE/issues/1062

Vendor Advisories for CVE-2026-36909(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 8× in last 7d / 58× 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 138 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-36909?
CVE-2026-36909 is a medium vulnerability published on July 1, 2026. A NULL pointer dereference in the AP4_TkhdAtom::GetTrackId() function of Aleksoid1978 MPC-BE before commit 4341cb3 allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.
When was CVE-2026-36909 disclosed?
CVE-2026-36909 was first published in the National Vulnerability Database on July 1, 2026, with the most recent update on July 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-36909 actively exploited?
CVE-2026-36909 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 94.5% of all scored CVEs.
What is the CVSS score of CVE-2026-36909?
CVE-2026-36909 has a CVSS v3.1 base score of 6.2 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-36909?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-36909, 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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