CVE-2026-50380

CRITICALPre-NVD 9.69.6—
EchelonGraph scoreHIGH confidence

Score 9.6 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-14. the CNA's CVSS baseline 9.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 5 sources updated this week
9.6
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.6Exploit: NoneExposed: 0

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

Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.

CVSS v3
9.6
EG Score
9.6(high)
EPSS
45.9%
KEV
Not listed

Published

July 14, 2026

Last Modified

July 15, 2026

Advisory Details (1)

Auto-updated Jul 14, 2026
Patch available. Sources: microsoft.
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50380

Vendor Advisories for CVE-2026-50380(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 26× in last 7d / 26× 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. 2026-07-15 23:33 UTCEG score recompute
  2. 2026-07-15 23:33 UTCVendor advisory
  3. 2026-07-15 23:33 UTCGHSA enrichment
  4. 2026-07-15 19:19 UTCEG score recompute
  5. 2026-07-15 19:19 UTCVendor advisory
  6. 2026-07-15 19:19 UTCGHSA enrichment
  7. 2026-07-15 16:57 UTCEPSS rescore
  8. 2026-07-15 16:57 UTCEPSS rescore
  9. 2026-07-15 15:05 UTCEG score recompute
  10. 2026-07-15 15:05 UTCVendor advisory
  11. 2026-07-15 15:05 UTCGHSA enrichment
  12. 2026-07-15 10:51 UTCEG score recompute
  13. 2026-07-15 10:51 UTCVendor advisory
  14. 2026-07-15 10:51 UTCGHSA enrichment
  15. 2026-07-15 06:35 UTCEG score recompute
  16. 2026-07-15 06:35 UTCVendor advisory
  17. 2026-07-15 06:35 UTCGHSA enrichment
  18. 2026-07-15 02:21 UTCEG score recompute
  19. 2026-07-15 02:21 UTCVendor advisory
  20. 2026-07-15 02:20 UTCGHSA enrichment
  21. 2026-07-14 22:06 UTCEG score recompute
  22. 2026-07-14 22:06 UTCVendor advisory
  23. 2026-07-14 22:06 UTCGHSA enrichment
  24. 2026-07-14 17:50 UTCEG score recompute
  25. 2026-07-14 17:50 UTCVendor advisory
Show 1 more
  1. 2026-07-14 17:40 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-50380?
CVE-2026-50380 is a critical vulnerability published on July 14, 2026. Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.
When was CVE-2026-50380 disclosed?
CVE-2026-50380 was first published in the National Vulnerability Database on July 14, 2026, with the most recent update on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-50380 actively exploited?
CVE-2026-50380 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 45.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-50380?
CVE-2026-50380 has a CVSS v4.0 base score of 9.6 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-50380?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50380, 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-2026-50380

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