CVE-2026-69405

MEDIUMPre-NVD 5.75.7—
EchelonGraph scoreHIGH confidence

Score 5.7 from GitHub Security Advisory published 2026-09-08. the CNA's CVSS baseline 5.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
5.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 5.7Exploit: None knownExposed: 0

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

Missing release of memory after effective lifetime in Windows DHCP Server allows an authorized attacker to deny service over an adjacent network.

CVSS v3
5.7
EG Score
5.7(high)
EG Risk
26(Track)
EG Risk 26/100SSVC: 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
Severity57% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
46%
KEV
Not listed

Published

September 8, 2026

Last Modified

September 18, 2026

Advisory Details (1)

Auto-updated Sep 8, 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-2026-69405

Vendor Advisories for CVE-2026-69405(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 35× in last 7d / 72× 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. 2026-09-21 00:49 UTCEG score recompute
  2. 2026-09-21 00:49 UTCVendor advisory
  3. 2026-09-21 00:49 UTCGHSA enrichment
  4. 2026-09-20 20:16 UTCEPSS rescore
  5. 2026-09-19 22:55 UTCEG score recompute
  6. 2026-09-19 22:55 UTCVendor advisory
  7. 2026-09-19 22:55 UTCGHSA enrichment
  8. 2026-09-18 21:02 UTCEG score recompute
  9. 2026-09-18 21:02 UTCVendor advisory
  10. 2026-09-18 21:02 UTCGHSA enrichment
  11. 2026-09-18 19:28 UTCEPSS rescore
  12. 2026-09-18 14:10 UTCVendor advisory
  13. 2026-09-18 14:10 UTCGHSA enrichment
  14. 2026-09-17 23:39 UTCVendor advisory
  15. 2026-09-17 23:39 UTCGHSA enrichment
  16. 2026-09-17 20:10 UTCEG score recompute
  17. 2026-09-17 20:10 UTCVendor advisory
  18. 2026-09-17 20:10 UTCGHSA enrichment
  19. 2026-09-16 22:01 UTCEG score recompute
  20. 2026-09-16 22:01 UTCVendor advisory
  21. 2026-09-16 22:01 UTCGHSA enrichment
  22. 2026-09-16 14:08 UTCEPSS rescore
  23. 2026-09-16 05:15 UTCEPSS rescore
  24. 2026-09-15 23:04 UTCVendor advisory
  25. 2026-09-15 23:04 UTCGHSA enrichment
Show 47 more
  1. 2026-09-15 17:55 UTCEG score recompute
  2. 2026-09-15 17:55 UTCVendor advisory
  3. 2026-09-15 17:55 UTCGHSA enrichment
  4. 2026-09-14 23:14 UTCVendor advisory
  5. 2026-09-14 23:14 UTCGHSA enrichment
  6. 2026-09-14 17:45 UTCVendor advisory
  7. 2026-09-14 17:45 UTCGHSA enrichment
  8. 2026-09-14 02:43 UTCEG score recompute
  9. 2026-09-14 02:43 UTCVendor advisory
  10. 2026-09-14 02:43 UTCGHSA enrichment
  11. 2026-09-13 00:49 UTCEG score recompute
  12. 2026-09-13 00:49 UTCVendor advisory
  13. 2026-09-13 00:49 UTCGHSA enrichment
  14. 2026-09-11 22:55 UTCVendor advisory
  15. 2026-09-11 22:55 UTCGHSA enrichment
  16. 2026-09-11 20:04 UTCVendor advisory
  17. 2026-09-11 20:04 UTCGHSA enrichment
  18. 2026-09-11 16:53 UTCEG score recompute
  19. 2026-09-11 16:53 UTCVendor advisory
  20. 2026-09-11 16:53 UTCGHSA enrichment
  21. 2026-09-11 14:53 UTCEPSS rescore
  22. 2026-09-11 09:37 UTCEPSS rescore
  23. 2026-09-10 23:33 UTCEG score recompute
  24. 2026-09-10 23:33 UTCGHSA enrichment
  25. 2026-09-09 22:01 UTCGHSA enrichment
  26. 2026-09-09 20:04 UTCEG score recompute
  27. 2026-09-09 20:04 UTCVendor advisory
  28. 2026-09-09 20:04 UTCGHSA enrichment
  29. 2026-09-09 16:03 UTCEG score recompute
  30. 2026-09-09 16:03 UTCVendor advisory
  31. 2026-09-09 16:03 UTCGHSA enrichment
  32. 2026-09-09 00:04 UTCEG score recompute
  33. 2026-09-09 00:04 UTCVendor advisory
  34. 2026-09-09 00:04 UTCGHSA enrichment
  35. 2026-09-08 21:47 UTCEG score recompute
  36. 2026-09-08 21:47 UTCVendor advisory
  37. 2026-09-08 21:47 UTCGHSA enrichment
  38. 2026-09-08 20:55 UTCEG score recompute
  39. 2026-09-08 20:55 UTCGHSA enrichment
  40. 2026-09-08 19:40 UTCEG score recompute
  41. 2026-09-08 19:39 UTCGHSA enrichment
  42. 2026-09-08 18:48 UTCEG score recompute
  43. 2026-09-08 18:48 UTCVendor advisory
  44. 2026-09-08 18:48 UTCGHSA enrichment
  45. 2026-09-08 17:52 UTCEG score recompute
  46. 2026-09-08 17:52 UTCVendor advisory
  47. 2026-09-08 17:25 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-69405?
CVE-2026-69405 is a medium vulnerability published on September 8, 2026. Missing release of memory after effective lifetime in Windows DHCP Server allows an authorized attacker to deny service over an adjacent network.
When was CVE-2026-69405 disclosed?
CVE-2026-69405 was first published in the National Vulnerability Database on September 8, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-69405 actively exploited?
CVE-2026-69405 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 54.4% of all scored CVEs.
What is the CVSS score of CVE-2026-69405?
CVE-2026-69405 has a CVSS v4.0 base score of 5.7 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-69405?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-69405, 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-2026-69405

Explore →

Is Your Infrastructure Affected by CVE-2026-69405?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs