CVE-2026-50328

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-14. the CNA's CVSS baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.5Exploit: None knownExposed: 0

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

Uncaught exception in Windows Server Update Service allows an unauthorized attacker to perform tampering over a network.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity75% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
68%
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-2026-50328

Vendor Advisories for CVE-2026-50328(2)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 15× 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 287 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-50328?
CVE-2026-50328 is a high vulnerability published on July 14, 2026. Uncaught exception in Windows Server Update Service allows an unauthorized attacker to perform tampering over a network.
When was CVE-2026-50328 disclosed?
CVE-2026-50328 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-2026-50328 actively exploited?
CVE-2026-50328 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 32.4% of all scored CVEs.
What is the CVSS score of CVE-2026-50328?
CVE-2026-50328 has a CVSS v4.0 base score of 7.5 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-50328?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50328, 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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