CVE-2026-50317

HIGHNVD 7.07.8▲
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-14. NVD baseline CVSS 7.0; sources differ by 0.8.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.0Exploit: None knownExposed: 0

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

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Operating Systems allows an authorized attacker to elevate privileges locally.

CVSS v3
7.0
EG Score
7.8(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
12%
KEV
Not listed

Published

July 14, 2026

Last Modified

September 17, 2026

Advisory Details (1)

Auto-updated Jul 14, 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-2026-50317

Vendor Advisories for CVE-2026-50317(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 7× in last 7d / 92× 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 290 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-50317?
CVE-2026-50317 is a high vulnerability published on July 14, 2026. Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Operating Systems allows an authorized attacker to elevate privileges locally.
When was CVE-2026-50317 disclosed?
CVE-2026-50317 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-2026-50317 actively exploited?
CVE-2026-50317 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 88.0% of all scored CVEs.
What is the CVSS score of CVE-2026-50317?
CVE-2026-50317 has a CVSS v3 base score of 7.0 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.8.
How do I remediate CVE-2026-50317?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50317, 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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