CVE-2026-50255

MEDIUMPre-NVD 6.76.7—
EchelonGraph scoreHIGH 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
6.7
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.7Exploit: NoneExposed: 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(high)
EPSS
0.5%
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 17× in last 7d / 60× 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.

  1. 2026-07-06 23:28 UTCEG score recompute
  2. 2026-07-06 23:28 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 11:43 UTCEG score recompute
  6. 2026-07-05 11:43 UTCGHSA enrichment
  7. 2026-07-04 12:47 UTCEG score recompute
  8. 2026-07-04 12:47 UTCGHSA enrichment
  9. 2026-07-03 13:55 UTCEG score recompute
  10. 2026-07-03 13:55 UTCGHSA enrichment
  11. 2026-07-02 12:14 UTCEG score recompute
  12. 2026-07-02 12:14 UTCGHSA enrichment
  13. 2026-07-01 15:07 UTCEPSS rescore
  14. 2026-07-01 13:20 UTCEG score recompute
  15. 2026-07-01 13:20 UTCGHSA enrichment
  16. 2026-06-30 14:26 UTCEG score recompute
  17. 2026-06-30 14:26 UTCGHSA enrichment
  18. 2026-06-29 15:31 UTCEG score recompute
  19. 2026-06-29 15:31 UTCGHSA enrichment
  20. 2026-06-28 16:36 UTCEG score recompute
  21. 2026-06-28 16:36 UTCGHSA enrichment
  22. 2026-06-28 14:07 UTCEPSS rescore
  23. 2026-06-28 04:56 UTCEPSS rescore
  24. 2026-06-28 04:56 UTCEPSS rescore
  25. 2026-06-27 17:43 UTCEG score recompute
Show 35 more
  1. 2026-06-27 17:43 UTCGHSA enrichment
  2. 2026-06-26 18:51 UTCEG score recompute
  3. 2026-06-26 18:51 UTCGHSA enrichment
  4. 2026-06-25 19:59 UTCEG score recompute
  5. 2026-06-25 19:59 UTCGHSA enrichment
  6. 2026-06-24 21:06 UTCEG score recompute
  7. 2026-06-24 21:06 UTCGHSA enrichment
  8. 2026-06-24 14:05 UTCEPSS rescore
  9. 2026-06-23 22:14 UTCEG score recompute
  10. 2026-06-23 22:14 UTCGHSA enrichment
  11. 2026-06-23 21:33 UTCEPSS rescore
  12. 2026-06-23 21:33 UTCEPSS rescore
  13. 2026-06-22 23:14 UTCEG score recompute
  14. 2026-06-22 23:14 UTCGHSA enrichment
  15. 2026-06-22 00:13 UTCEG score recompute
  16. 2026-06-22 00:12 UTCGHSA enrichment
  17. 2026-06-21 01:59 UTCEPSS rescore
  18. 2026-06-21 01:59 UTCEPSS rescore
  19. 2026-06-21 01:14 UTCEG score recompute
  20. 2026-06-21 01:14 UTCGHSA enrichment
  21. 2026-06-20 02:20 UTCEG score recompute
  22. 2026-06-20 02:20 UTCGHSA enrichment
  23. 2026-06-19 03:24 UTCEG score recompute
  24. 2026-06-19 03:23 UTCGHSA enrichment
  25. 2026-06-18 17:52 UTCEPSS rescore
  26. 2026-06-18 17:52 UTCEPSS rescore
  27. 2026-06-18 04:28 UTCEG score recompute
  28. 2026-06-18 04:28 UTCGHSA enrichment
  29. 2026-06-17 17:53 UTCEPSS rescore
  30. 2026-06-17 05:36 UTCEG score recompute
  31. 2026-06-17 05:36 UTCGHSA enrichment
  32. 2026-06-16 17:53 UTCEPSS rescore
  33. 2026-06-16 15:47 UTCNVD updateCVSS v4 → 5.4
  34. 2026-06-16 06:44 UTCEG score recompute
  35. 2026-06-16 06:44 UTCGHSA enrichment

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 0.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
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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