CVE-2026-50442

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2026-07-14. 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.

Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.

CVSS v3
5.5
EG Score
5.5(medium)
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
39%
KEV
Not listed

Published

July 14, 2026

Last Modified

August 28, 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-2026-50442

Vendor Advisories for CVE-2026-50442(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 23× in last 7d / 109× 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 162 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-50442?
CVE-2026-50442 is a medium vulnerability published on July 14, 2026. Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
When was CVE-2026-50442 disclosed?
CVE-2026-50442 was first published in the National Vulnerability Database on July 14, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-50442 actively exploited?
CVE-2026-50442 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 60.7% of all scored CVEs.
What is the CVSS score of CVE-2026-50442?
CVE-2026-50442 has a CVSS v4.0 base score of 5.5 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-50442?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50442, 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-2026-50442

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