CVE-2026-72964

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreHIGH confidence

Score 5.5 from GitHub Security Advisory published 2026-09-08. the CNA's CVSS baseline 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: None knownExposed: 0

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

Missing authentication for critical function in Windows Internet Connection Sharing (ICS) allows an authorized attacker to perform tampering locally.

CVSS v3
5.5
EG Score
5.5(high)
EG Risk
25(Track)
EG Risk 25/100SSVC: 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
Severity55% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
22%
KEV
Not listed

Published

September 8, 2026

Last Modified

September 18, 2026

Advisory Details (1)

Auto-updated Sep 9, 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-2026-72964

Vendor Advisories for CVE-2026-72964(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 32× in last 7d / 68× 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. 2026-09-20 20:16 UTCEPSS rescore
  2. 2026-09-20 18:16 UTCVendor advisory
  3. 2026-09-20 18:16 UTCGHSA enrichment
  4. 2026-09-19 19:37 UTCEG score recompute
  5. 2026-09-19 19:37 UTCVendor advisory
  6. 2026-09-19 19:37 UTCGHSA enrichment
  7. 2026-09-18 20:58 UTCEG score recompute
  8. 2026-09-18 20:58 UTCVendor advisory
  9. 2026-09-18 20:58 UTCGHSA enrichment
  10. 2026-09-18 19:28 UTCEPSS rescore
  11. 2026-09-18 14:07 UTCVendor advisory
  12. 2026-09-18 14:07 UTCGHSA enrichment
  13. 2026-09-17 23:29 UTCVendor advisory
  14. 2026-09-17 23:29 UTCGHSA enrichment
  15. 2026-09-17 20:08 UTCEG score recompute
  16. 2026-09-17 20:08 UTCVendor advisory
  17. 2026-09-17 20:08 UTCGHSA enrichment
  18. 2026-09-16 21:36 UTCEG score recompute
  19. 2026-09-16 21:36 UTCVendor advisory
  20. 2026-09-16 21:36 UTCGHSA enrichment
  21. 2026-09-16 14:08 UTCEPSS rescore
  22. 2026-09-16 05:15 UTCEPSS rescore
  23. 2026-09-15 22:56 UTCVendor advisory
  24. 2026-09-15 22:56 UTCGHSA enrichment
  25. 2026-09-15 17:40 UTCEG score recompute
Show 43 more
  1. 2026-09-15 17:40 UTCVendor advisory
  2. 2026-09-15 17:40 UTCGHSA enrichment
  3. 2026-09-15 03:12 UTCEPSS rescore
  4. 2026-09-14 23:08 UTCVendor advisory
  5. 2026-09-14 23:08 UTCGHSA enrichment
  6. 2026-09-14 17:39 UTCVendor advisory
  7. 2026-09-14 17:39 UTCGHSA enrichment
  8. 2026-09-13 20:00 UTCEG score recompute
  9. 2026-09-13 20:00 UTCVendor advisory
  10. 2026-09-13 20:00 UTCGHSA enrichment
  11. 2026-09-12 21:21 UTCEG score recompute
  12. 2026-09-12 21:21 UTCVendor advisory
  13. 2026-09-12 21:21 UTCGHSA enrichment
  14. 2026-09-12 15:02 UTCEPSS rescore
  15. 2026-09-11 22:42 UTCVendor advisory
  16. 2026-09-11 22:42 UTCGHSA enrichment
  17. 2026-09-11 20:00 UTCVendor advisory
  18. 2026-09-11 20:00 UTCGHSA enrichment
  19. 2026-09-11 17:00 UTCEG score recompute
  20. 2026-09-11 17:00 UTCVendor advisory
  21. 2026-09-11 17:00 UTCGHSA enrichment
  22. 2026-09-11 14:53 UTCEPSS rescore
  23. 2026-09-10 20:33 UTCEG score recompute
  24. 2026-09-10 20:33 UTCGHSA enrichment
  25. 2026-09-10 09:35 UTCEPSS rescore
  26. 2026-09-09 21:54 UTCGHSA enrichment
  27. 2026-09-09 20:02 UTCEG score recompute
  28. 2026-09-09 20:02 UTCVendor advisory
  29. 2026-09-09 20:02 UTCGHSA enrichment
  30. 2026-09-09 17:33 UTCEG score recompute
  31. 2026-09-09 17:33 UTCVendor advisory
  32. 2026-09-09 17:33 UTCGHSA enrichment
  33. 2026-09-09 16:50 UTCEG score recompute
  34. 2026-09-09 16:50 UTCVendor advisory
  35. 2026-09-09 16:50 UTCGHSA enrichment
  36. 2026-09-08 23:56 UTCVendor advisory
  37. 2026-09-08 23:56 UTCGHSA enrichment
  38. 2026-09-08 18:42 UTCEG score recompute
  39. 2026-09-08 18:42 UTCVendor advisory
  40. 2026-09-08 18:41 UTCGHSA enrichment
  41. 2026-09-08 17:46 UTCEG score recompute
  42. 2026-09-08 17:46 UTCVendor advisory
  43. 2026-09-08 17:25 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-72964?
CVE-2026-72964 is a medium vulnerability published on September 8, 2026. Missing authentication for critical function in Windows Internet Connection Sharing (ICS) allows an authorized attacker to perform tampering locally.
When was CVE-2026-72964 disclosed?
CVE-2026-72964 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-2026-72964 actively exploited?
CVE-2026-72964 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 78.4% of all scored CVEs.
What is the CVSS score of CVE-2026-72964?
CVE-2026-72964 has a CVSS v4.0 base score of 5.5 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-72964?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-72964, 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-2026-72964

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