CVE-2026-45586

HIGHPre-NVD 7.87.8—
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-09. the CNA's CVSS baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:microsoft, epss, ghsa
Trending — 4 sources updated this week
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 7.8Exploit: NoneExposed: 0

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

Improper link resolution before file access ('link following') in Windows Collaborative Translation Framework allows an authorized attacker to elevate privileges locally.

CVSS v3
7.8
EG Score
7.8(high)
EPSS
85.9%
KEV
Not listed

Published

June 9, 2026

Last Modified

July 1, 2026

Advisory Details (1)

Auto-updated Jun 9, 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-2026-45586

Vendor Advisories for CVE-2026-45586(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 39× in last 7d / 179× 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 179 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-45586?
CVE-2026-45586 is a high vulnerability published on June 9, 2026. Improper link resolution before file access ('link following') in Windows Collaborative Translation Framework allows an authorized attacker to elevate privileges locally.
When was CVE-2026-45586 disclosed?
CVE-2026-45586 was first published in the National Vulnerability Database on June 9, 2026, with the most recent update on July 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-45586 actively exploited?
CVE-2026-45586 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 85.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-45586?
CVE-2026-45586 has a CVSS v4.0 base score of 7.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-45586?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-45586, 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-2026-45586

Explore →

Is Your Infrastructure Affected by CVE-2026-45586?

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

Start Free Scan →Browse All CVEs