CVE-2026-45586

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM 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
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(medium)
EG Risk
36(Track)
EG Risk 36/100SSVC: 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%
Exploitation3% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
86.1%
KEV
Not listed

Published

June 9, 2026

Last Modified

July 23, 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 8× in last 7d / 99× 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 171 total refreshes for this CVE.

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

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 23, 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 86.1% 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 v3 base score of 7.8 (NVD).
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

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