CVE-2026-35433

HIGHPre-NVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.3 under the CNA's CVSS (NVD's own analysis pending). EPSS exploit probability: 0.5%, top 59% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: cna:microsoft, epss
7.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.3Exploit: NoneExposed: 0

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

Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.

CVSS v3
7.3
EG Score
7.3(medium)
EPSS
47.3%
KEV
Not listed

Published

May 12, 2026

Last Modified

June 30, 2026

Advisory Details (1)

Auto-updated Jun 6, 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-2026-35433

Vendor Advisories for CVE-2026-35433(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(3 across 1 ecosystem)
NuGet(3)
PackageVulnerable rangeFixed inDependents
Microsoft.WindowsDesktop.App.Runtime.win-arm6410.0.0 ... 10.0.7 (8 versions)10.0.8—
Microsoft.WindowsDesktop.App.Runtime.win-x6410.0.0 ... 10.0.7 (8 versions)10.0.8—
Microsoft.WindowsDesktop.App.Runtime.win-x8610.0.0 ... 10.0.7 (8 versions)10.0.8—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 64× 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 153 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-35433?
CVE-2026-35433 is a high vulnerability published on May 12, 2026. Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.
When was CVE-2026-35433 disclosed?
CVE-2026-35433 was first published in the National Vulnerability Database on May 12, 2026, with the most recent update on June 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-35433 actively exploited?
CVE-2026-35433 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 47.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-35433?
CVE-2026-35433 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-35433?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-35433, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-35433

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