CVE-2026-50426

MEDIUMPre-NVD 6.86.8—
EchelonGraph scoreHIGH confidence

Score 6.8 from GitHub Security Advisory published 2026-07-14. the CNA's CVSS baseline 6.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
6.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.8Exploit: None knownExposed: 0

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

Relative path traversal in DNS Server allows an authorized attacker to execute code over an adjacent network.

CVSS v3
6.8
EG Score
6.8(high)
EG Risk
31(Track)
EG Risk 31/100SSVC: 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
Severity68% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
28%
KEV
Not listed

Published

July 14, 2026

Last Modified

July 27, 2026

Advisory Details (1)

Auto-updated Jul 15, 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-2026-50426

Vendor Advisories for CVE-2026-50426(2)

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 20× in last 7d / 41× 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. 2026-07-28 00:09 UTCVendor advisory
  2. 2026-07-28 00:09 UTCGHSA enrichment
  3. 2026-07-27 22:30 UTCVendor advisory
  4. 2026-07-27 22:30 UTCGHSA enrichment
  5. 2026-07-27 16:30 UTCEG score recompute
  6. 2026-07-27 16:30 UTCVendor advisory
  7. 2026-07-27 16:30 UTCGHSA enrichment
  8. 2026-07-26 18:07 UTCEG score recompute
  9. 2026-07-26 18:07 UTCVendor advisory
  10. 2026-07-26 18:07 UTCGHSA enrichment
  11. 2026-07-26 14:54 UTCEPSS rescore
  12. 2026-07-26 04:54 UTCEG score recompute
  13. 2026-07-26 04:54 UTCVendor advisory
  14. 2026-07-26 04:53 UTCGHSA enrichment
  15. 2026-07-25 14:18 UTCEPSS rescore
  16. 2026-07-24 14:18 UTCEPSS rescore
  17. 2026-07-23 14:18 UTCEPSS rescore
  18. 2026-07-23 03:18 UTCEG score recompute
  19. 2026-07-22 14:08 UTCEPSS rescore
  20. 2026-07-21 15:25 UTCEPSS rescore
  21. 2026-07-20 17:08 UTCEPSS rescore
  22. 2026-07-19 14:31 UTCEPSS rescore
  23. 2026-07-19 14:31 UTCEPSS rescore
  24. 2026-07-19 03:09 UTCEG score recompute
  25. 2026-07-19 03:09 UTCVendor advisory
Show 16 more
  1. 2026-07-19 03:09 UTCGHSA enrichment
  2. 2026-07-19 02:29 UTCEPSS rescore
  3. 2026-07-18 10:04 UTCEPSS rescore
  4. 2026-07-17 07:53 UTCEG score recompute
  5. 2026-07-17 07:53 UTCVendor advisory
  6. 2026-07-17 07:53 UTCGHSA enrichment
  7. 2026-07-16 18:44 UTCVendor advisory
  8. 2026-07-16 18:44 UTCGHSA enrichment
  9. 2026-07-16 17:03 UTCEPSS rescore
  10. 2026-07-15 18:16 UTCVendor advisory
  11. 2026-07-15 18:16 UTCGHSA enrichment
  12. 2026-07-15 16:57 UTCEPSS rescore
  13. 2026-07-15 16:57 UTCEPSS rescore
  14. 2026-07-14 17:48 UTCEG score recompute
  15. 2026-07-14 17:48 UTCVendor advisory
  16. 2026-07-14 17:40 UTCMITRE cvelistV5first tracked

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-50426?
CVE-2026-50426 is a medium vulnerability published on July 14, 2026. Relative path traversal in DNS Server allows an authorized attacker to execute code over an adjacent network.
When was CVE-2026-50426 disclosed?
CVE-2026-50426 was first published in the National Vulnerability Database on July 14, 2026, with the most recent update on July 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-50426 actively exploited?
CVE-2026-50426 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 71.5% of all scored CVEs.
What is the CVSS score of CVE-2026-50426?
CVE-2026-50426 has a CVSS v4.0 base score of 6.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-50426?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50426, 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-2026-50426

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