CVE-2026-35416

HIGHPre-NVD 7.07.0—
EchelonGraph scoreMEDIUM confidence

Score 7.0 from GitHub Security Advisory (severity: HIGH) published 2026-05-12. the CNA's CVSS baseline 7.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
7.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 7.0Exploit: None knownExposed: 0

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

Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVSS v3
7.0
EG Score
7.0(medium)
EG Risk
32(Track)
EG Risk 32/100SSVC: 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
Severity70% × 45%
Exploitation2% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
2%
EPSS %ILE
75%
KEV
Not listed

Published

May 12, 2026

Last Modified

August 10, 2026

Advisory Details (1)

Auto-updated Jun 11, 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-2026-35416

Vendor Advisories for CVE-2026-35416(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 6× in last 7d / 73× 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 269 total refreshes for this CVE.

  1. 2026-09-04 05:06 UTCEPSS rescore
  2. 2026-09-02 14:12 UTCEPSS rescore
  3. 2026-09-01 13:53 UTCEPSS rescore
  4. 2026-09-01 04:39 UTCEPSS rescore
  5. 2026-08-30 19:17 UTCEPSS rescore
  6. 2026-08-30 01:22 UTCEPSS rescore
  7. 2026-08-28 21:41 UTCEPSS rescore
  8. 2026-08-27 14:25 UTCEPSS rescore
  9. 2026-08-26 14:46 UTCEPSS rescore
  10. 2026-08-25 13:49 UTCEPSS rescore
  11. 2026-08-23 18:18 UTCEG score recompute
  12. 2026-08-23 18:18 UTCVendor advisory
  13. 2026-08-23 18:18 UTCGHSA enrichment
  14. 2026-08-23 00:19 UTCEPSS rescore
  15. 2026-08-21 23:49 UTCEPSS rescore
  16. 2026-08-20 22:55 UTCEPSS rescore
  17. 2026-08-19 17:03 UTCEPSS rescore
  18. 2026-08-18 13:48 UTCEPSS rescore
  19. 2026-08-17 13:47 UTCEPSS rescore
  20. 2026-08-17 10:51 UTCEG score recompute
  21. 2026-08-17 10:51 UTCVendor advisory
  22. 2026-08-17 10:51 UTCGHSA enrichment
  23. 2026-08-16 14:56 UTCEPSS rescore
  24. 2026-08-16 04:14 UTCEG score recompute
  25. 2026-08-16 04:14 UTCVendor advisory
Show 75 more
  1. 2026-08-16 04:14 UTCGHSA enrichment
  2. 2026-08-16 02:14 UTCEPSS rescore
  3. 2026-08-15 01:59 UTCEG score recompute
  4. 2026-08-15 01:59 UTCVendor advisory
  5. 2026-08-15 01:59 UTCGHSA enrichment
  6. 2026-08-15 01:30 UTCEPSS rescore
  7. 2026-08-14 14:22 UTCVendor advisory
  8. 2026-08-14 14:22 UTCGHSA enrichment
  9. 2026-08-14 02:45 UTCEG score recompute
  10. 2026-08-14 02:45 UTCVendor advisory
  11. 2026-08-14 02:45 UTCGHSA enrichment
  12. 2026-08-13 22:00 UTCEPSS rescore
  13. 2026-08-13 03:49 UTCGHSA enrichment
  14. 2026-08-12 16:12 UTCEG score recompute
  15. 2026-08-12 16:12 UTCVendor advisory
  16. 2026-08-12 16:12 UTCGHSA enrichment
  17. 2026-08-12 13:50 UTCEPSS rescore
  18. 2026-08-11 15:41 UTCEG score recompute
  19. 2026-08-11 15:41 UTCVendor advisory
  20. 2026-08-11 15:41 UTCGHSA enrichment
  21. 2026-08-11 03:08 UTCEG score recompute
  22. 2026-08-11 03:07 UTCVendor advisory
  23. 2026-08-11 03:07 UTCGHSA enrichment
  24. 2026-08-11 00:00 UTCEPSS rescore
  25. 2026-08-10 15:30 UTCGHSA enrichment
  26. 2026-08-10 12:57 UTCGHSA enrichment
  27. 2026-08-10 01:20 UTCEG score recompute
  28. 2026-08-10 01:20 UTCVendor advisory
  29. 2026-08-10 01:20 UTCGHSA enrichment
  30. 2026-08-09 13:46 UTCEPSS rescore
  31. 2026-08-09 13:43 UTCVendor advisory
  32. 2026-08-09 13:42 UTCGHSA enrichment
  33. 2026-08-09 02:05 UTCEG score recompute
  34. 2026-08-09 02:05 UTCVendor advisory
  35. 2026-08-09 02:05 UTCGHSA enrichment
  36. 2026-08-08 16:37 UTCEPSS rescore
  37. 2026-08-08 07:58 UTCGHSA enrichment
  38. 2026-08-07 20:21 UTCEG score recompute
  39. 2026-08-07 20:21 UTCVendor advisory
  40. 2026-08-07 20:21 UTCGHSA enrichment
  41. 2026-08-07 08:43 UTCVendor advisory
  42. 2026-08-07 08:43 UTCGHSA enrichment
  43. 2026-08-06 21:03 UTCEG score recompute
  44. 2026-08-06 21:03 UTCVendor advisory
  45. 2026-08-06 21:03 UTCGHSA enrichment
  46. 2026-08-06 13:46 UTCEPSS rescore
  47. 2026-08-06 09:26 UTCVendor advisory
  48. 2026-08-06 09:26 UTCGHSA enrichment
  49. 2026-08-05 21:49 UTCEG score recompute
  50. 2026-08-05 21:49 UTCVendor advisory
  51. 2026-08-05 21:49 UTCGHSA enrichment
  52. 2026-08-05 19:17 UTCEPSS rescore
  53. 2026-08-04 15:10 UTCEPSS rescore
  54. 2026-08-04 10:38 UTCEPSS rescore
  55. 2026-08-03 19:15 UTCEG score recompute
  56. 2026-08-03 19:15 UTCVendor advisory
  57. 2026-08-03 19:15 UTCGHSA enrichment
  58. 2026-08-03 10:36 UTCEPSS rescore
  59. 2026-08-02 22:30 UTCVendor advisory
  60. 2026-08-02 22:30 UTCGHSA enrichment
  61. 2026-08-02 10:53 UTCEG score recompute
  62. 2026-08-02 10:53 UTCVendor advisory
  63. 2026-08-02 10:53 UTCGHSA enrichment
  64. 2026-08-02 02:27 UTCEPSS rescore
  65. 2026-08-01 23:15 UTCEG score recompute
  66. 2026-08-01 23:15 UTCVendor advisory
  67. 2026-08-01 23:15 UTCGHSA enrichment
  68. 2026-08-01 04:16 UTCEPSS rescore
  69. 2026-07-30 16:28 UTCEPSS rescore
  70. 2026-07-30 01:30 UTCEPSS rescore
  71. 2026-07-27 14:13 UTCEPSS rescore
  72. 2026-07-26 14:54 UTCEPSS rescore
  73. 2026-07-26 14:54 UTCEPSS rescore
  74. 2026-07-25 14:18 UTCEPSS rescore
  75. 2026-07-25 14:18 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-35416?
CVE-2026-35416 is a high vulnerability published on May 12, 2026. Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
When was CVE-2026-35416 disclosed?
CVE-2026-35416 was first published in the National Vulnerability Database on May 12, 2026, with the most recent update on August 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-35416 actively exploited?
CVE-2026-35416 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 25.1% of all scored CVEs.
What is the CVSS score of CVE-2026-35416?
CVE-2026-35416 has a CVSS v4.0 base score of 7.0 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-35416?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-35416, 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-2026-35416

Explore →

Is Your Infrastructure Affected by CVE-2026-35416?

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

Start Free Scan →Browse All CVEs