CVE-2026-39199

LOWPre-NVD 2.92.9
EchelonGraph scoreHIGH confidence

Score 2.9 from GitHub Security Advisory (severity: LOW) published 2026-06-17. a secondary CVSS source baseline 2.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
2.9
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 2.9Exploit: NoneExposed: 0

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

snes9x 1.63 allows an out-of-bounds write and denial of service via a crafted .ups file.

CVSS v3
2.9
EG Score
2.9(high)
EPSS
2.5%
KEV
Not listed

Published

June 17, 2026

Last Modified

June 22, 2026

Vendor Advisories for CVE-2026-39199(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 9× in last 7d / 36× 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 16:27 UTCEPSS rescore
  2. 2026-07-06 16:27 UTCEPSS rescore
  3. 2026-07-05 02:30 UTCEPSS rescore
  4. 2026-07-05 01:53 UTCEG score recompute
  5. 2026-07-05 01:53 UTCGHSA enrichment
  6. 2026-07-02 05:02 UTCEG score recompute
  7. 2026-07-02 05:01 UTCGHSA enrichment
  8. 2026-07-01 15:06 UTCEPSS rescore
  9. 2026-06-30 23:22 UTCEPSS rescore
  10. 2026-06-29 14:06 UTCEPSS rescore
  11. 2026-06-29 08:15 UTCEG score recompute
  12. 2026-06-29 08:15 UTCGHSA enrichment
  13. 2026-06-28 14:07 UTCEPSS rescore
  14. 2026-06-28 04:56 UTCEPSS rescore
  15. 2026-06-27 03:08 UTCEPSS rescore
  16. 2026-06-26 11:28 UTCEG score recompute
  17. 2026-06-26 11:28 UTCGHSA enrichment
  18. 2026-06-25 13:49 UTCEPSS rescore
  19. 2026-06-25 13:49 UTCEPSS rescore
  20. 2026-06-24 14:05 UTCEPSS rescore
  21. 2026-06-23 21:33 UTCEPSS rescore
  22. 2026-06-23 12:21 UTCEG score recompute
  23. 2026-06-23 12:20 UTCGHSA enrichment
  24. 2026-06-22 14:25 UTCEPSS rescore
  25. 2026-06-22 14:25 UTCEPSS rescore
Show 11 more
  1. 2026-06-21 14:56 UTCEPSS rescore
  2. 2026-06-21 14:56 UTCEPSS rescore
  3. 2026-06-21 01:59 UTCEPSS rescore
  4. 2026-06-20 15:32 UTCEG score recompute
  5. 2026-06-20 15:32 UTCGHSA enrichment
  6. 2026-06-19 19:25 UTCEPSS rescore
  7. 2026-06-19 19:25 UTCEPSS rescore
  8. 2026-06-18 17:52 UTCEPSS rescore
  9. 2026-06-18 17:52 UTCEPSS rescore
  10. 2026-06-17 18:44 UTCEG score recompute
  11. 2026-06-17 18:44 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-39199?
CVE-2026-39199 is a low vulnerability published on June 17, 2026. snes9x 1.63 allows an out-of-bounds write and denial of service via a crafted .ups file.
When was CVE-2026-39199 disclosed?
CVE-2026-39199 was first published in the National Vulnerability Database on June 17, 2026, with the most recent update on June 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-39199 actively exploited?
CVE-2026-39199 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-39199?
CVE-2026-39199 has a CVSS v3 base score of 2.9 (NVD).
How do I remediate CVE-2026-39199?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-39199, 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-2026-39199

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