CVE-2026-69548

MEDIUMPre-NVD 4.64.6—
EchelonGraph scoreHIGH confidence

Score 4.6 from GitHub Security Advisory published 2026-09-08. the CNA's CVSS baseline 4.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
4.6EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.6Exploit: None knownExposed: 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 RNDIS allows an unauthorized attacker to disclose information with a physical attack.

CVSS v3
4.6
EG Score
4.6(high)
EG Risk
21(Track)
EG Risk 21/100SSVC: 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
Severity46% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
38%
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-2026-69548

Vendor Advisories for CVE-2026-69548(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 37× in last 7d / 66× 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 21:45 UTCEG score recompute
  2. 2026-09-20 21:45 UTCVendor advisory
  3. 2026-09-20 21:45 UTCGHSA enrichment
  4. 2026-09-20 20:16 UTCEPSS rescore
  5. 2026-09-19 21:16 UTCEG score recompute
  6. 2026-09-19 21:16 UTCVendor advisory
  7. 2026-09-19 21:16 UTCGHSA enrichment
  8. 2026-09-18 20:48 UTCEG score recompute
  9. 2026-09-18 20:48 UTCVendor advisory
  10. 2026-09-18 20:48 UTCGHSA enrichment
  11. 2026-09-18 19:28 UTCEPSS rescore
  12. 2026-09-18 13:52 UTCVendor advisory
  13. 2026-09-18 13:52 UTCGHSA enrichment
  14. 2026-09-17 23:10 UTCVendor advisory
  15. 2026-09-17 23:10 UTCGHSA enrichment
  16. 2026-09-17 19:57 UTCEG score recompute
  17. 2026-09-17 19:57 UTCVendor advisory
  18. 2026-09-17 19:57 UTCGHSA enrichment
  19. 2026-09-16 22:14 UTCEG score recompute
  20. 2026-09-16 22:14 UTCVendor advisory
  21. 2026-09-16 22:14 UTCGHSA enrichment
  22. 2026-09-16 17:01 UTCEG score recompute
  23. 2026-09-16 17:01 UTCVendor advisory
  24. 2026-09-16 17:01 UTCGHSA enrichment
  25. 2026-09-16 14:08 UTCEPSS rescore
Show 41 more
  1. 2026-09-16 05:15 UTCEPSS rescore
  2. 2026-09-15 23:09 UTCVendor advisory
  3. 2026-09-15 23:09 UTCGHSA enrichment
  4. 2026-09-15 18:04 UTCEG score recompute
  5. 2026-09-15 18:04 UTCVendor advisory
  6. 2026-09-15 18:04 UTCGHSA enrichment
  7. 2026-09-14 23:18 UTCVendor advisory
  8. 2026-09-14 23:18 UTCGHSA enrichment
  9. 2026-09-14 17:53 UTCVendor advisory
  10. 2026-09-14 17:53 UTCGHSA enrichment
  11. 2026-09-14 17:22 UTCVendor advisory
  12. 2026-09-14 17:22 UTCGHSA enrichment
  13. 2026-09-14 00:00 UTCEG score recompute
  14. 2026-09-14 00:00 UTCVendor advisory
  15. 2026-09-14 00:00 UTCGHSA enrichment
  16. 2026-09-12 23:32 UTCEG score recompute
  17. 2026-09-12 23:32 UTCVendor advisory
  18. 2026-09-12 23:32 UTCGHSA enrichment
  19. 2026-09-11 23:03 UTCGHSA enrichment
  20. 2026-09-11 19:45 UTCVendor advisory
  21. 2026-09-11 19:45 UTCGHSA enrichment
  22. 2026-09-11 17:07 UTCEG score recompute
  23. 2026-09-11 17:07 UTCVendor advisory
  24. 2026-09-11 17:07 UTCGHSA enrichment
  25. 2026-09-11 14:53 UTCEPSS rescore
  26. 2026-09-11 09:37 UTCEPSS rescore
  27. 2026-09-10 23:40 UTCGHSA enrichment
  28. 2026-09-10 23:02 UTCEG score recompute
  29. 2026-09-10 23:02 UTCGHSA enrichment
  30. 2026-09-09 22:33 UTCGHSA enrichment
  31. 2026-09-09 20:15 UTCVendor advisory
  32. 2026-09-09 20:15 UTCGHSA enrichment
  33. 2026-09-09 00:11 UTCEG score recompute
  34. 2026-09-09 00:11 UTCVendor advisory
  35. 2026-09-09 00:10 UTCGHSA enrichment
  36. 2026-09-08 19:42 UTCGHSA enrichment
  37. 2026-09-08 19:06 UTCEG score recompute
  38. 2026-09-08 19:05 UTCGHSA enrichment
  39. 2026-09-08 17:58 UTCEG score recompute
  40. 2026-09-08 17:58 UTCVendor advisory
  41. 2026-09-08 17:25 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-69548?
CVE-2026-69548 is a medium vulnerability published on September 8, 2026. Heap-based buffer overflow in Windows RNDIS allows an unauthorized attacker to disclose information with a physical attack.
When was CVE-2026-69548 disclosed?
CVE-2026-69548 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-2026-69548 actively exploited?
CVE-2026-69548 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 61.6% of all scored CVEs.
What is the CVSS score of CVE-2026-69548?
CVE-2026-69548 has a CVSS v4.0 base score of 4.6 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-69548?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-69548, 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-2026-69548

Explore →

Is Your Infrastructure Affected by CVE-2026-69548?

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

Start Free Scan →Browse All CVEs