CVE-2026-36478

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-27. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

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

An issue in Technitium DNS Server v.14.3 and before allows a remote attacker to cause a denial of service via the DnsServerApp.exe, DnsServerApp.dll, TechnitiumLibrary.Net/Dns/DnsClient.cs components

CVSS v3
7.5
EG Score
7.5(high)
EPSS
30.6%
KEV
Not listed

Published

June 26, 2026

Last Modified

July 5, 2026

Advisory Details (2)

Auto-updated Jun 29, 2026
No patch confirmed yet.
generic

DnsServer/CHANGELOG.md at aa9044d4df9d739b6a6e428bb77cecb3356b775b · TechnitiumSoftware/DnsServer · GitHub

https://github.com/TechnitiumSoftware/DnsServer/blob/aa9044d4df9d739b6a6e428bb77cecb3356b775b/CHANGELOG.md?plain=1#L45
generic

Technitium | Push The Limits

http://technitium.com

Vendor Advisories for CVE-2026-36478(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 38× in last 7d / 46× 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. 2026-07-07 06:26 UTCEG score recompute
  2. 2026-07-07 06:25 UTCGHSA enrichment
  3. 2026-07-06 18:49 UTCEG score recompute
  4. 2026-07-06 18:49 UTCGHSA enrichment
  5. 2026-07-06 16:27 UTCEPSS rescore
  6. 2026-07-06 16:27 UTCEPSS rescore
  7. 2026-07-06 07:15 UTCEG score recompute
  8. 2026-07-06 07:15 UTCGHSA enrichment
  9. 2026-07-06 02:23 UTCEPSS rescore
  10. 2026-07-06 02:23 UTCEPSS rescore
  11. 2026-07-05 19:43 UTCEG score recompute
  12. 2026-07-05 19:43 UTCGHSA enrichment
  13. 2026-07-05 08:10 UTCEG score recompute
  14. 2026-07-05 08:10 UTCGHSA enrichment
  15. 2026-07-05 02:30 UTCEPSS rescore
  16. 2026-07-04 20:38 UTCEG score recompute
  17. 2026-07-04 20:38 UTCGHSA enrichment
  18. 2026-07-04 09:05 UTCEG score recompute
  19. 2026-07-04 09:05 UTCGHSA enrichment
  20. 2026-07-04 06:31 UTCEPSS rescore
  21. 2026-07-03 21:32 UTCEG score recompute
  22. 2026-07-03 21:32 UTCGHSA enrichment
  23. 2026-07-03 10:00 UTCEG score recompute
  24. 2026-07-03 09:59 UTCGHSA enrichment
  25. 2026-07-02 22:27 UTCEG score recompute
Show 21 more
  1. 2026-07-02 22:27 UTCGHSA enrichment
  2. 2026-07-02 10:54 UTCEG score recompute
  3. 2026-07-02 10:54 UTCGHSA enrichment
  4. 2026-07-01 23:07 UTCEG score recompute
  5. 2026-07-01 23:07 UTCGHSA enrichment
  6. 2026-07-01 15:06 UTCEPSS rescore
  7. 2026-07-01 11:34 UTCEG score recompute
  8. 2026-07-01 11:34 UTCGHSA enrichment
  9. 2026-07-01 00:02 UTCEG score recompute
  10. 2026-07-01 00:02 UTCGHSA enrichment
  11. 2026-06-30 23:22 UTCEPSS rescore
  12. 2026-06-30 12:28 UTCEG score recompute
  13. 2026-06-30 12:28 UTCGHSA enrichment
  14. 2026-06-30 00:56 UTCEG score recompute▲ 7.50
  15. 2026-06-30 00:56 UTCGHSA enrichment
  16. 2026-06-29 14:52 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
  17. 2026-06-29 14:06 UTCEPSS rescore
  18. 2026-06-28 14:07 UTCEPSS rescore
  19. 2026-06-28 04:56 UTCEPSS rescore
  20. 2026-06-26 23:42 UTCEG score recompute
  21. 2026-06-26 23:42 UTCNVD updatefirst tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-36478?
CVE-2026-36478 is a high vulnerability published on June 26, 2026. An issue in Technitium DNS Server v.14.3 and before allows a remote attacker to cause a denial of service via the DnsServerApp.exe, DnsServerApp.dll, TechnitiumLibrary.Net/Dns/DnsClient.cs components
When was CVE-2026-36478 disclosed?
CVE-2026-36478 was first published in the National Vulnerability Database on June 26, 2026, with the most recent update on July 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-36478 actively exploited?
CVE-2026-36478 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 30.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-36478?
CVE-2026-36478 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-36478?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-36478, 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-2026-36478

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