CVE-2026-50255

MEDIUMPre-NVD 6.76.7—
EchelonGraph scoreMEDIUM confidence

Score 6.7 from GitHub Security Advisory published 2026-06-16. a secondary CVSS source baseline 6.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.7Exploit: None knownExposed: 0

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

Incorrect default permissions issue exists in Optical Disc Archive Software for Windows 5.5.3 and earlier. If this vulnerability is exploited, arbitrary code may be executed with SYSTEM privileges.

CVSS v3
6.7
EG Score
6.7(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
Severity67% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
0%
KEV
Not listed

Published

June 16, 2026

Last Modified

June 16, 2026

Advisory Details (1)

Auto-updated Jun 16, 2026
No patch confirmed yet.
generic

JVN#79926428: Improper file access permission settings in the installers for Optical Disc Archive Software for Windows

https://jvn.jp/en/jp/JVN79926428/

Vendor Advisories for CVE-2026-50255(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 13× in last 7d / 62× 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 136 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-50255?
CVE-2026-50255 is a medium vulnerability published on June 16, 2026. Incorrect default permissions issue exists in Optical Disc Archive Software for Windows 5.5.3 and earlier. If this vulnerability is exploited, arbitrary code may be executed with SYSTEM privileges.
When was CVE-2026-50255 disclosed?
CVE-2026-50255 was first published in the National Vulnerability Database on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-50255 actively exploited?
CVE-2026-50255 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 99.5% of all scored CVEs.
What is the CVSS score of CVE-2026-50255?
CVE-2026-50255 has a CVSS v3 base score of 6.7 (NVD).
How do I remediate CVE-2026-50255?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50255, 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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