CVE-2026-50383

MEDIUMNVD 5.56.1▲
EchelonGraph scoreHIGH 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 — 5 sources updated this week
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.5Exploit: NoneExposed: 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(high)
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
22.0%
KEV
Not listed

Published

July 14, 2026

Last Modified

July 22, 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 16× in last 7d / 26× 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.

  1. 2026-07-23 14:18 UTCEPSS rescore
  2. 2026-07-23 03:18 UTCEG score recompute
  3. 2026-07-22 14:08 UTCEPSS rescore
  4. 2026-07-21 15:25 UTCEPSS rescore
  5. 2026-07-20 18:40 UTCNVD updateCVSS v3 → 5.5
  6. 2026-07-20 17:08 UTCEPSS rescore
  7. 2026-07-19 14:31 UTCEPSS rescore
  8. 2026-07-19 14:31 UTCEPSS rescore
  9. 2026-07-19 03:08 UTCEG score recompute
  10. 2026-07-19 03:08 UTCVendor advisory
  11. 2026-07-19 03:08 UTCGHSA enrichment
  12. 2026-07-19 02:29 UTCEPSS rescore
  13. 2026-07-18 10:04 UTCEPSS rescore
  14. 2026-07-17 07:53 UTCEG score recompute
  15. 2026-07-17 07:53 UTCVendor advisory
  16. 2026-07-17 07:53 UTCGHSA enrichment
  17. 2026-07-16 18:52 UTCVendor advisory
  18. 2026-07-16 18:52 UTCGHSA enrichment
  19. 2026-07-16 17:03 UTCEPSS rescore
  20. 2026-07-15 18:20 UTCVendor advisory
  21. 2026-07-15 18:20 UTCGHSA enrichment
  22. 2026-07-15 16:57 UTCEPSS rescore
  23. 2026-07-15 16:57 UTCEPSS rescore
  24. 2026-07-14 17:48 UTCEG score recompute
  25. 2026-07-14 17:48 UTCVendor advisory
Show 1 more
  1. 2026-07-14 17:40 UTCMITRE cvelistV5first tracked

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 July 22, 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 22.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
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

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