CVE-2026-50383

MEDIUMNVD 5.56.1▲
EchelonGraph scoreMEDIUM confidence

Score 6.1 from GitHub Security Advisory published 2026-07-14. NVD baseline CVSS 5.5; sources differ by 0.6.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
6.1EG
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.

Buffer over-read in Windows Print Spooler Components allows an authorized attacker to disclose information locally.

CVSS v3
5.5
EG Score
6.1(medium)
EG Risk
28(Track)
EG Risk 28/100SSVC: 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
Severity61% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
34%
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-2026-50383

Vendor Advisories for CVE-2026-50383(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 / 84× 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 223 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-50383?
CVE-2026-50383 is a medium vulnerability published on July 14, 2026. Buffer over-read in Windows Print Spooler Components allows an authorized attacker to disclose information locally.
When was CVE-2026-50383 disclosed?
CVE-2026-50383 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-2026-50383 actively exploited?
CVE-2026-50383 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 65.5% of all scored CVEs.
What is the CVSS score of CVE-2026-50383?
CVE-2026-50383 has a CVSS v3 base score of 5.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 6.1.
How do I remediate CVE-2026-50383?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50383, 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-2026-50383

Explore →

Is Your Infrastructure Affected by CVE-2026-50383?

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

Start Free Scan →Browse All CVEs