CVE-2026-50462

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-14. the CNA's CVSS baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

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

External control of file name or path in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
39%
KEV
Not listed

Published

July 14, 2026

Last Modified

September 17, 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-2026-50462

Vendor Advisories for CVE-2026-50462(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 13× in last 7d / 100× 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.

Showing the most recent 100 of 280 total refreshes for this CVE.

  1. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-17 23:04 UTCEG score recompute
  3. 2026-09-17 23:04 UTCVendor advisory
  4. 2026-09-17 23:04 UTCGHSA enrichment
  5. 2026-09-16 14:08 UTCEPSS rescore
  6. 2026-09-16 05:15 UTCEPSS rescore
  7. 2026-09-13 23:21 UTCEG score recompute
  8. 2026-09-13 23:21 UTCVendor advisory
  9. 2026-09-13 23:21 UTCGHSA enrichment
  10. 2026-09-13 16:47 UTCEPSS rescore
  11. 2026-09-13 07:46 UTCEG score recompute
  12. 2026-09-13 07:46 UTCVendor advisory
  13. 2026-09-13 07:46 UTCGHSA enrichment
  14. 2026-09-12 14:37 UTCVendor advisory
  15. 2026-09-12 14:37 UTCGHSA enrichment
  16. 2026-09-12 01:27 UTCEG score recompute
  17. 2026-09-12 01:27 UTCVendor advisory
  18. 2026-09-12 01:27 UTCGHSA enrichment
  19. 2026-09-11 14:53 UTCEPSS rescore
  20. 2026-09-10 09:35 UTCEPSS rescore
  21. 2026-09-09 22:48 UTCGHSA enrichment
  22. 2026-09-08 22:44 UTCEG score recompute
  23. 2026-09-08 22:44 UTCVendor advisory
  24. 2026-09-08 22:44 UTCGHSA enrichment
  25. 2026-09-08 22:01 UTCEPSS rescore
Show 75 more
  1. 2026-09-08 21:30 UTCGHSA enrichment
  2. 2026-09-08 20:29 UTCGHSA enrichment
  3. 2026-09-08 01:27 UTCEG score recompute
  4. 2026-09-08 01:27 UTCVendor advisory
  5. 2026-09-08 01:27 UTCGHSA enrichment
  6. 2026-09-07 16:01 UTCEPSS rescore
  7. 2026-09-06 13:47 UTCEPSS rescore
  8. 2026-09-06 13:41 UTCVendor advisory
  9. 2026-09-06 13:41 UTCGHSA enrichment
  10. 2026-09-05 21:11 UTCEG score recompute
  11. 2026-09-05 21:11 UTCVendor advisory
  12. 2026-09-05 21:11 UTCGHSA enrichment
  13. 2026-09-04 22:58 UTCEG score recompute
  14. 2026-09-04 22:58 UTCVendor advisory
  15. 2026-09-04 22:58 UTCGHSA enrichment
  16. 2026-09-04 05:06 UTCEPSS rescore
  17. 2026-09-02 19:48 UTCEG score recompute
  18. 2026-09-02 19:48 UTCVendor advisory
  19. 2026-09-02 19:48 UTCGHSA enrichment
  20. 2026-09-02 14:12 UTCEPSS rescore
  21. 2026-09-01 13:54 UTCEPSS rescore
  22. 2026-09-01 04:40 UTCEPSS rescore
  23. 2026-08-31 16:04 UTCEG score recompute
  24. 2026-08-31 16:04 UTCVendor advisory
  25. 2026-08-31 16:04 UTCGHSA enrichment
  26. 2026-08-30 19:17 UTCEPSS rescore
  27. 2026-08-30 17:58 UTCVendor advisory
  28. 2026-08-30 17:58 UTCGHSA enrichment
  29. 2026-08-30 04:48 UTCEG score recompute
  30. 2026-08-30 04:48 UTCVendor advisory
  31. 2026-08-30 04:48 UTCGHSA enrichment
  32. 2026-08-30 01:22 UTCEPSS rescore
  33. 2026-08-28 23:06 UTCEG score recompute
  34. 2026-08-28 23:06 UTCVendor advisory
  35. 2026-08-28 23:05 UTCGHSA enrichment
  36. 2026-08-28 21:41 UTCEPSS rescore
  37. 2026-08-27 21:31 UTCEG score recompute
  38. 2026-08-27 21:31 UTCVendor advisory
  39. 2026-08-27 21:31 UTCGHSA enrichment
  40. 2026-08-27 14:25 UTCEPSS rescore
  41. 2026-08-27 05:06 UTCVendor advisory
  42. 2026-08-27 05:05 UTCGHSA enrichment
  43. 2026-08-26 14:58 UTCEG score recompute
  44. 2026-08-26 14:58 UTCVendor advisory
  45. 2026-08-26 14:58 UTCGHSA enrichment
  46. 2026-08-26 14:46 UTCEPSS rescore
  47. 2026-08-26 01:26 UTCEG score recompute
  48. 2026-08-26 01:26 UTCVendor advisory
  49. 2026-08-26 01:26 UTCGHSA enrichment
  50. 2026-08-25 13:49 UTCEPSS rescore
  51. 2026-08-25 10:26 UTCVendor advisory
  52. 2026-08-25 10:26 UTCGHSA enrichment
  53. 2026-08-24 21:11 UTCEG score recompute
  54. 2026-08-24 21:11 UTCVendor advisory
  55. 2026-08-24 21:11 UTCGHSA enrichment
  56. 2026-08-24 13:28 UTCEG score recompute
  57. 2026-08-24 13:28 UTCVendor advisory
  58. 2026-08-24 13:28 UTCGHSA enrichment
  59. 2026-08-24 00:18 UTCVendor advisory
  60. 2026-08-24 00:18 UTCGHSA enrichment
  61. 2026-08-23 11:09 UTCEG score recompute
  62. 2026-08-23 11:09 UTCVendor advisory
  63. 2026-08-23 11:09 UTCGHSA enrichment
  64. 2026-08-23 00:19 UTCEPSS rescore
  65. 2026-08-22 22:00 UTCVendor advisory
  66. 2026-08-22 22:00 UTCGHSA enrichment
  67. 2026-08-22 08:50 UTCEG score recompute
  68. 2026-08-22 08:50 UTCVendor advisory
  69. 2026-08-22 08:50 UTCGHSA enrichment
  70. 2026-08-21 23:49 UTCEPSS rescore
  71. 2026-08-21 19:40 UTCGHSA enrichment
  72. 2026-08-21 06:31 UTCEG score recompute
  73. 2026-08-21 06:31 UTCVendor advisory
  74. 2026-08-21 06:31 UTCGHSA enrichment
  75. 2026-08-20 22:55 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-50462?
CVE-2026-50462 is a high vulnerability published on July 14, 2026. External control of file name or path in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
When was CVE-2026-50462 disclosed?
CVE-2026-50462 was first published in the National Vulnerability Database on July 14, 2026, with the most recent update on September 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-50462 actively exploited?
CVE-2026-50462 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 61.0% of all scored CVEs.
What is the CVSS score of CVE-2026-50462?
CVE-2026-50462 has a CVSS v4.0 base score of 7.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-50462?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50462, 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

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